Finding the Fourth Proportional to 64,127.74, 88,520.98 and 57,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,127.74 : 88,520.98 = 57,401.50 : x
2. Step 2: Convert to fraction form
   64,127.74/88,520.98 = 57,401.50/x
3. Step 3: Cross multiply
   64,127.74x = 88,520.98 × 57,401.50
4. Step 4: Simplify right side
   64,127.74x = 5,081,237,033.47
5. Step 5: Solve for x
   x = 5,081,237,033.47/64,127.74
6. Step 6: Final answer
   x = 79,236.18