Finding the Fourth Proportional to 123,931.42, 185,887.50 and 39,700.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,931.42 : 185,887.50 = 39,700.34 : x
2. Step 2: Convert to fraction form
   123,931.42/185,887.50 = 39,700.34/x
3. Step 3: Cross multiply
   123,931.42x = 185,887.50 × 39,700.34
4. Step 4: Simplify right side
   123,931.42x = 7,379,796,951.75
5. Step 5: Solve for x
   x = 7,379,796,951.75/123,931.42
6. Step 6: Final answer
   x = 59,547.43