Finding the Fourth Proportional to 342,321.86, 513,494.50 and 117,680.38

Step by Step Solution

1. Step 1: Write the proportion equation
   342,321.86 : 513,494.50 = 117,680.38 : x
2. Step 2: Convert to fraction form
   342,321.86/513,494.50 = 117,680.38/x
3. Step 3: Cross multiply
   342,321.86x = 513,494.50 × 117,680.38
4. Step 4: Simplify right side
   342,321.86x = 60,428,227,887.91
5. Step 5: Solve for x
   x = 60,428,227,887.91/342,321.86
6. Step 6: Final answer
   x = 176,524.60