Finding the Fourth Proportional to 67,434.32, 93,090.86 and 39,134.54

Step by Step Solution

1. Step 1: Write the proportion equation
   67,434.32 : 93,090.86 = 39,134.54 : x
2. Step 2: Convert to fraction form
   67,434.32/93,090.86 = 39,134.54/x
3. Step 3: Cross multiply
   67,434.32x = 93,090.86 × 39,134.54
4. Step 4: Simplify right side
   67,434.32x = 3,643,067,323.18
5. Step 5: Solve for x
   x = 3,643,067,323.18/67,434.32
6. Step 6: Final answer
   x = 54,023.94