Finding the Fourth Proportional to 53,513.52, 73,898.30 and 40,061.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,513.52 : 73,898.30 = 40,061.42 : x
2. Step 2: Convert to fraction form
   53,513.52/73,898.30 = 40,061.42/x
3. Step 3: Cross multiply
   53,513.52x = 73,898.30 × 40,061.42
4. Step 4: Simplify right side
   53,513.52x = 2,960,470,833.59
5. Step 5: Solve for x
   x = 2,960,470,833.59/53,513.52
6. Step 6: Final answer
   x = 55,321.92