Finding the Fourth Proportional to 55,407.26, 83,484.90 and 45,762.59

Step by Step Solution

1. Step 1: Write the proportion equation
   55,407.26 : 83,484.90 = 45,762.59 : x
2. Step 2: Convert to fraction form
   55,407.26/83,484.90 = 45,762.59/x
3. Step 3: Cross multiply
   55,407.26x = 83,484.90 × 45,762.59
4. Step 4: Simplify right side
   55,407.26x = 3,820,485,249.89
5. Step 5: Solve for x
   x = 3,820,485,249.89/55,407.26
6. Step 6: Final answer
   x = 68,952.79