Finding the Fourth Proportional to 90,300.69, 124,616.27 and 52,059.58

Step by Step Solution

1. Step 1: Write the proportion equation
   90,300.69 : 124,616.27 = 52,059.58 : x
2. Step 2: Convert to fraction form
   90,300.69/124,616.27 = 52,059.58/x
3. Step 3: Cross multiply
   90,300.69x = 124,616.27 × 52,059.58
4. Step 4: Simplify right side
   90,300.69x = 6,487,470,495.97
5. Step 5: Solve for x
   x = 6,487,470,495.97/90,300.69
6. Step 6: Final answer
   x = 71,842.98