Finding the Fourth Proportional to 21,559,856,780.88, 32,310,877,723.98 and 16,779,532,088.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,559,856,780.88 : 32,310,877,723.98 = 16,779,532,088.94 : x
2. Step 2: Convert to fraction form
   21,559,856,780.88/32,310,877,723.98 = 16,779,532,088.94/x
3. Step 3: Cross multiply
   21,559,856,780.88x = 32,310,877,723.98 × 16,779,532,088.94
4. Step 4: Simplify right side
   21,559,856,780.88x = 542,161,409,591,339,057,152
5. Step 5: Solve for x
   x = 542,161,409,591,339,057,152/21,559,856,780.88
6. Step 6: Final answer
   x = 25,146,800,143.50