Finding the Fourth Proportional to 92,404.06, 127,530.72 and 56,123.87

Step by Step Solution

1. Step 1: Write the proportion equation
   92,404.06 : 127,530.72 = 56,123.87 : x
2. Step 2: Convert to fraction form
   92,404.06/127,530.72 = 56,123.87/x
3. Step 3: Cross multiply
   92,404.06x = 127,530.72 × 56,123.87
4. Step 4: Simplify right side
   92,404.06x = 7,157,516,912.63
5. Step 5: Solve for x
   x = 7,157,516,912.63/92,404.06
6. Step 6: Final answer
   x = 77,458.90