Finding the Fourth Proportional to 21,508,404.10, 32,262,606.15 and 19,156,941.70

Step by Step Solution

1. Step 1: Write the proportion equation
   21,508,404.10 : 32,262,606.15 = 19,156,941.70 : x
2. Step 2: Convert to fraction form
   21,508,404.10/32,262,606.15 = 19,156,941.70/x
3. Step 3: Cross multiply
   21,508,404.10x = 32,262,606.15 × 19,156,941.70
4. Step 4: Simplify right side
   21,508,404.10x = 618,052,865,105,611.38
5. Step 5: Solve for x
   x = 618,052,865,105,611.38/21,508,404.10
6. Step 6: Final answer
   x = 28,735,412.55