Finding the Fourth Proportional to 268,962,895.10, 403,494,109.05 and 87,216,002.30

Step by Step Solution

1. Step 1: Write the proportion equation
   268,962,895.10 : 403,494,109.05 = 87,216,002.30 : x
2. Step 2: Convert to fraction form
   268,962,895.10/403,494,109.05 = 87,216,002.30/x
3. Step 3: Cross multiply
   268,962,895.10x = 403,494,109.05 × 87,216,002.30
4. Step 4: Simplify right side
   268,962,895.10x = 35,191,143,142,941,252
5. Step 5: Solve for x
   x = 35,191,143,142,941,252/268,962,895.10
6. Step 6: Final answer
   x = 130,840,141.09