Finding the Fourth Proportional to 112,324.83, 154,995.53 and 64,593.55

Step by Step Solution

1. Step 1: Write the proportion equation
   112,324.83 : 154,995.53 = 64,593.55 : x
2. Step 2: Convert to fraction form
   112,324.83/154,995.53 = 64,593.55/x
3. Step 3: Cross multiply
   112,324.83x = 154,995.53 × 64,593.55
4. Step 4: Simplify right side
   112,324.83x = 10,011,711,387.61
5. Step 5: Solve for x
   x = 10,011,711,387.61/112,324.83
6. Step 6: Final answer
   x = 89,131.78