Finding the Fourth Proportional to 53,648.28, 74,107.98 and 43,565.40

Step by Step Solution

1. Step 1: Write the proportion equation
   53,648.28 : 74,107.98 = 43,565.40 : x
2. Step 2: Convert to fraction form
   53,648.28/74,107.98 = 43,565.40/x
3. Step 3: Cross multiply
   53,648.28x = 74,107.98 × 43,565.40
4. Step 4: Simplify right side
   53,648.28x = 3,228,543,791.89
5. Step 5: Solve for x
   x = 3,228,543,791.89/53,648.28
6. Step 6: Final answer
   x = 60,179.82