Finding the Fourth Proportional to 89,979.50, 124,171.71 and 52,256.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89,979.50 : 124,171.71 = 52,256.18 : x
2. Step 2: Convert to fraction form
   89,979.50/124,171.71 = 52,256.18/x
3. Step 3: Cross multiply
   89,979.50x = 124,171.71 × 52,256.18
4. Step 4: Simplify right side
   89,979.50x = 6,488,739,228.67
5. Step 5: Solve for x
   x = 6,488,739,228.67/89,979.50
6. Step 6: Final answer
   x = 72,113.53