Finding the Fourth Proportional to 112,105.31, 154,674 and 64,341.23

Step by Step Solution

1. Step 1: Write the proportion equation
   112,105.31 : 154,674 = 64,341.23 : x
2. Step 2: Convert to fraction form
   112,105.31/154,674 = 64,341.23/x
3. Step 3: Cross multiply
   112,105.31x = 154,674 × 64,341.23
4. Step 4: Simplify right side
   112,105.31x = 9,951,914,635.65
5. Step 5: Solve for x
   x = 9,951,914,635.65/112,105.31
6. Step 6: Final answer
   x = 88,772.91