Finding the Fourth Proportional to 64,142.47, 88,458.91 and 41,457.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,142.47 : 88,458.91 = 41,457.61 : x
2. Step 2: Convert to fraction form
   64,142.47/88,458.91 = 41,457.61/x
3. Step 3: Cross multiply
   64,142.47x = 88,458.91 × 41,457.61
4. Step 4: Simplify right side
   64,142.47x = 3,667,294,667.01
5. Step 5: Solve for x
   x = 3,667,294,667.01/64,142.47
6. Step 6: Final answer
   x = 57,174.21