Finding the Fourth Proportional to 107,084.52, 147,729.51 and 64,040.31

Step by Step Solution

1. Step 1: Write the proportion equation
   107,084.52 : 147,729.51 = 64,040.31 : x
2. Step 2: Convert to fraction form
   107,084.52/147,729.51 = 64,040.31/x
3. Step 3: Cross multiply
   107,084.52x = 147,729.51 × 64,040.31
4. Step 4: Simplify right side
   107,084.52x = 9,460,643,616.55
5. Step 5: Solve for x
   x = 9,460,643,616.55/107,084.52
6. Step 6: Final answer
   x = 88,347.44