Finding the Fourth Proportional to 46,271.43, 69,434.79 and 42,507.05

Step by Step Solution

1. Step 1: Write the proportion equation
   46,271.43 : 69,434.79 = 42,507.05 : x
2. Step 2: Convert to fraction form
   46,271.43/69,434.79 = 42,507.05/x
3. Step 3: Cross multiply
   46,271.43x = 69,434.79 × 42,507.05
4. Step 4: Simplify right side
   46,271.43x = 2,951,468,263.86
5. Step 5: Solve for x
   x = 2,951,468,263.86/46,271.43
6. Step 6: Final answer
   x = 63,785.98