Finding the Fourth Proportional to 112,300.65, 154,990.49 and 64,552.97

Step by Step Solution

1. Step 1: Write the proportion equation
   112,300.65 : 154,990.49 = 64,552.97 : x
2. Step 2: Convert to fraction form
   112,300.65/154,990.49 = 64,552.97/x
3. Step 3: Cross multiply
   112,300.65x = 154,990.49 × 64,552.97
4. Step 4: Simplify right side
   112,300.65x = 10,005,096,515.97
5. Step 5: Solve for x
   x = 10,005,096,515.97/112,300.65
6. Step 6: Final answer
   x = 89,092.06