Finding the Fourth Proportional to 131,060.43, 196,603.34 and 52,156.17

Step by Step Solution

1. Step 1: Write the proportion equation
   131,060.43 : 196,603.34 = 52,156.17 : x
2. Step 2: Convert to fraction form
   131,060.43/196,603.34 = 52,156.17/x
3. Step 3: Cross multiply
   131,060.43x = 196,603.34 × 52,156.17
4. Step 4: Simplify right side
   131,060.43x = 10,254,076,962.83
5. Step 5: Solve for x
   x = 10,254,076,962.83/131,060.43
6. Step 6: Final answer
   x = 78,239.31