Finding the Fourth Proportional to 53,513.35, 73,898.06 and 40,061.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,513.35 : 73,898.06 = 40,061.25 : x
2. Step 2: Convert to fraction form
   53,513.35/73,898.06 = 40,061.25/x
3. Step 3: Cross multiply
   53,513.35x = 73,898.06 × 40,061.25
4. Step 4: Simplify right side
   53,513.35x = 2,960,448,455.87
5. Step 5: Solve for x
   x = 2,960,448,455.87/53,513.35
6. Step 6: Final answer
   x = 55,321.69