Finding the Fourth Proportional to 219,084,830.56, 328,688,683.38 and 88,019,142.10

Step by Step Solution

1. Step 1: Write the proportion equation
   219,084,830.56 : 328,688,683.38 = 88,019,142.10 : x
2. Step 2: Convert to fraction form
   219,084,830.56/328,688,683.38 = 88,019,142.10/x
3. Step 3: Cross multiply
   219,084,830.56x = 328,688,683.38 × 88,019,142.10
4. Step 4: Simplify right side
   219,084,830.56x = 28,930,895,929,086,124
5. Step 5: Solve for x
   x = 28,930,895,929,086,124/219,084,830.56
6. Step 6: Final answer
   x = 132,053,396.19