Finding the Fourth Proportional to 64,173.34, 88,562.55 and 38,687.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,173.34 : 88,562.55 = 38,687.82 : x
2. Step 2: Convert to fraction form
   64,173.34/88,562.55 = 38,687.82/x
3. Step 3: Cross multiply
   64,173.34x = 88,562.55 × 38,687.82
4. Step 4: Simplify right side
   64,173.34x = 3,426,291,993.14
5. Step 5: Solve for x
   x = 3,426,291,993.14/64,173.34
6. Step 6: Final answer
   x = 53,391.21