Finding the Fourth Proportional to 54,404.16, 81,445.86 and 53,062.80

Step by Step Solution

1. Step 1: Write the proportion equation
   54,404.16 : 81,445.86 = 53,062.80 : x
2. Step 2: Convert to fraction form
   54,404.16/81,445.86 = 53,062.80/x
3. Step 3: Cross multiply
   54,404.16x = 81,445.86 × 53,062.80
4. Step 4: Simplify right side
   54,404.16x = 4,321,745,380.01
5. Step 5: Solve for x
   x = 4,321,745,380.01/54,404.16
6. Step 6: Final answer
   x = 79,437.77