Finding the Fourth Proportional to 64,261, 88,683.42 and 39,112.12

Step by Step Solution

1. Step 1: Write the proportion equation
   64,261 : 88,683.42 = 39,112.12 : x
2. Step 2: Convert to fraction form
   64,261/88,683.42 = 39,112.12/x
3. Step 3: Cross multiply
   64,261x = 88,683.42 × 39,112.12
4. Step 4: Simplify right side
   64,261x = 3,468,596,565.05
5. Step 5: Solve for x
   x = 3,468,596,565.05/64,261
6. Step 6: Final answer
   x = 53,976.70