Finding the Fourth Proportional to 107,451.40, 148,248.98 and 64,422.04

Step by Step Solution

1. Step 1: Write the proportion equation
   107,451.40 : 148,248.98 = 64,422.04 : x
2. Step 2: Convert to fraction form
   107,451.40/148,248.98 = 64,422.04/x
3. Step 3: Cross multiply
   107,451.40x = 148,248.98 × 64,422.04
4. Step 4: Simplify right side
   107,451.40x = 9,550,501,719.52
5. Step 5: Solve for x
   x = 9,550,501,719.52/107,451.40
6. Step 6: Final answer
   x = 88,882.06