Finding the Fourth Proportional to 62,517.47, 86,314.35 and 55,791.54

Step by Step Solution

1. Step 1: Write the proportion equation
   62,517.47 : 86,314.35 = 55,791.54 : x
2. Step 2: Convert to fraction form
   62,517.47/86,314.35 = 55,791.54/x
3. Step 3: Cross multiply
   62,517.47x = 86,314.35 × 55,791.54
4. Step 4: Simplify right side
   62,517.47x = 4,815,610,510.60
5. Step 5: Solve for x
   x = 4,815,610,510.60/62,517.47
6. Step 6: Final answer
   x = 77,028.24