Finding the Fourth Proportional to 58,885.76, 88,124.52 and 56,436.32

Step by Step Solution

1. Step 1: Write the proportion equation
   58,885.76 : 88,124.52 = 56,436.32 : x
2. Step 2: Convert to fraction form
   58,885.76/88,124.52 = 56,436.32/x
3. Step 3: Cross multiply
   58,885.76x = 88,124.52 × 56,436.32
4. Step 4: Simplify right side
   58,885.76x = 4,973,423,610.57
5. Step 5: Solve for x
   x = 4,973,423,610.57/58,885.76
6. Step 6: Final answer
   x = 84,458.85