Finding the Fourth Proportional to 56,092.89, 77,250.72 and 54,868.17

Step by Step Solution

1. Step 1: Write the proportion equation
   56,092.89 : 77,250.72 = 54,868.17 : x
2. Step 2: Convert to fraction form
   56,092.89/77,250.72 = 54,868.17/x
3. Step 3: Cross multiply
   56,092.89x = 77,250.72 × 54,868.17
4. Step 4: Simplify right side
   56,092.89x = 4,238,605,637.58
5. Step 5: Solve for x
   x = 4,238,605,637.58/56,092.89
6. Step 6: Final answer
   x = 75,564.04