Finding the Fourth Proportional to 107,148.30, 147,875.67 and 64,704.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,148.30 : 147,875.67 = 64,704.30 : x
2. Step 2: Convert to fraction form
   107,148.30/147,875.67 = 64,704.30/x
3. Step 3: Cross multiply
   107,148.30x = 147,875.67 × 64,704.30
4. Step 4: Simplify right side
   107,148.30x = 9,568,191,714.38
5. Step 5: Solve for x
   x = 9,568,191,714.38/107,148.30
6. Step 6: Final answer
   x = 89,298.59