Finding the Fourth Proportional to 89,880.61, 124,042.69 and 51,647.59

Step by Step Solution

1. Step 1: Write the proportion equation
   89,880.61 : 124,042.69 = 51,647.59 : x
2. Step 2: Convert to fraction form
   89,880.61/124,042.69 = 51,647.59/x
3. Step 3: Cross multiply
   89,880.61x = 124,042.69 × 51,647.59
4. Step 4: Simplify right side
   89,880.61x = 6,406,505,117.17
5. Step 5: Solve for x
   x = 6,406,505,117.17/89,880.61
6. Step 6: Final answer
   x = 71,277.94