Finding the Fourth Proportional to 107,091.02, 147,789.42 and 64,641.26

Step by Step Solution

1. Step 1: Write the proportion equation
   107,091.02 : 147,789.42 = 64,641.26 : x
2. Step 2: Convert to fraction form
   107,091.02/147,789.42 = 64,641.26/x
3. Step 3: Cross multiply
   107,091.02x = 147,789.42 × 64,641.26
4. Step 4: Simplify right side
   107,091.02x = 9,553,294,323.47
5. Step 5: Solve for x
   x = 9,553,294,323.47/107,091.02
6. Step 6: Final answer
   x = 89,207.24