Finding the Fourth Proportional to 58,886.01, 88,124.90 and 56,436.57

Step by Step Solution

1. Step 1: Write the proportion equation
   58,886.01 : 88,124.90 = 56,436.57 : x
2. Step 2: Convert to fraction form
   58,886.01/88,124.90 = 56,436.57/x
3. Step 3: Cross multiply
   58,886.01x = 88,124.90 × 56,436.57
4. Step 4: Simplify right side
   58,886.01x = 4,973,466,805.41
5. Step 5: Solve for x
   x = 4,973,466,805.41/58,886.01
6. Step 6: Final answer
   x = 84,459.23