Finding the Fourth Proportional to 151,389.86, 208,759.65 and 113,089.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,389.86 : 208,759.65 = 113,089.38 : x
2. Step 2: Convert to fraction form
   151,389.86/208,759.65 = 113,089.38/x
3. Step 3: Cross multiply
   151,389.86x = 208,759.65 × 113,089.38
4. Step 4: Simplify right side
   151,389.86x = 23,608,499,387.52
5. Step 5: Solve for x
   x = 23,608,499,387.52/151,389.86
6. Step 6: Final answer
   x = 155,945.05