Finding the Fourth Proportional to 103,877,013.88, 143,354,499.18 and 57,466,468.12

Step by Step Solution

1. Step 1: Write the proportion equation
   103,877,013.88 : 143,354,499.18 = 57,466,468.12 : x
2. Step 2: Convert to fraction form
   103,877,013.88/143,354,499.18 = 57,466,468.12/x
3. Step 3: Cross multiply
   103,877,013.88x = 143,354,499.18 × 57,466,468.12
4. Step 4: Simplify right side
   103,877,013.88x = 8,238,076,756,986,036
5. Step 5: Solve for x
   x = 8,238,076,756,986,036/103,877,013.88
6. Step 6: Final answer
   x = 79,306,060.59