Finding the Fourth Proportional to 92,250.47, 127,310.37 and 56,429.30

Step by Step Solution

1. Step 1: Write the proportion equation
   92,250.47 : 127,310.37 = 56,429.30 : x
2. Step 2: Convert to fraction form
   92,250.47/127,310.37 = 56,429.30/x
3. Step 3: Cross multiply
   92,250.47x = 127,310.37 × 56,429.30
4. Step 4: Simplify right side
   92,250.47x = 7,184,035,061.84
5. Step 5: Solve for x
   x = 7,184,035,061.84/92,250.47
6. Step 6: Final answer
   x = 77,875.32