Finding the Fourth Proportional to 62,633.07, 86,215.86 and 54,661.59

Step by Step Solution

1. Step 1: Write the proportion equation
   62,633.07 : 86,215.86 = 54,661.59 : x
2. Step 2: Convert to fraction form
   62,633.07/86,215.86 = 54,661.59/x
3. Step 3: Cross multiply
   62,633.07x = 86,215.86 × 54,661.59
4. Step 4: Simplify right side
   62,633.07x = 4,712,695,990.82
5. Step 5: Solve for x
   x = 4,712,695,990.82/62,633.07
6. Step 6: Final answer
   x = 75,242.93