Finding the Fourth Proportional to 92,142.72, 127,156.16 and 52,398.72

Step by Step Solution

1. Step 1: Write the proportion equation
   92,142.72 : 127,156.16 = 52,398.72 : x
2. Step 2: Convert to fraction form
   92,142.72/127,156.16 = 52,398.72/x
3. Step 3: Cross multiply
   92,142.72x = 127,156.16 × 52,398.72
4. Step 4: Simplify right side
   92,142.72x = 6,662,820,024.12
5. Step 5: Solve for x
   x = 6,662,820,024.12/92,142.72
6. Step 6: Final answer
   x = 72,309.78