Finding the Fourth Proportional to 189,154,598.72, 261,033,228.33 and 102,234,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   189,154,598.72 : 261,033,228.33 = 102,234,470.72 : x
2. Step 2: Convert to fraction form
   189,154,598.72/261,033,228.33 = 102,234,470.72/x
3. Step 3: Cross multiply
   189,154,598.72x = 261,033,228.33 × 102,234,470.72
4. Step 4: Simplify right side
   189,154,598.72x = 26,686,593,938,650,460
5. Step 5: Solve for x
   x = 26,686,593,938,650,460/189,154,598.72
6. Step 6: Final answer
   x = 141,083,505.87