Finding the Fourth Proportional to 53,641.60, 80,436.42 and 31,462.24

Step by Step Solution

1. Step 1: Write the proportion equation
   53,641.60 : 80,436.42 = 31,462.24 : x
2. Step 2: Convert to fraction form
   53,641.60/80,436.42 = 31,462.24/x
3. Step 3: Cross multiply
   53,641.60x = 80,436.42 × 31,462.24
4. Step 4: Simplify right side
   53,641.60x = 2,530,709,950.78
5. Step 5: Solve for x
   x = 2,530,709,950.78/53,641.60
6. Step 6: Final answer
   x = 47,178.12