Finding the Fourth Proportional to 151,384,442.80, 208,910,614.54 and 81,769,823.42

Step by Step Solution

1. Step 1: Write the proportion equation
   151,384,442.80 : 208,910,614.54 = 81,769,823.42 : x
2. Step 2: Convert to fraction form
   151,384,442.80/208,910,614.54 = 81,769,823.42/x
3. Step 3: Cross multiply
   151,384,442.80x = 208,910,614.54 × 81,769,823.42
4. Step 4: Simplify right side
   151,384,442.80x = 17,082,584,061,499,484
5. Step 5: Solve for x
   x = 17,082,584,061,499,484/151,384,442.80
6. Step 6: Final answer
   x = 112,842,401.41