Finding the Fourth Proportional to 158,875.57, 238,367.96 and 99,641.89

Step by Step Solution

1. Step 1: Write the proportion equation
   158,875.57 : 238,367.96 = 99,641.89 : x
2. Step 2: Convert to fraction form
   158,875.57/238,367.96 = 99,641.89/x
3. Step 3: Cross multiply
   158,875.57x = 238,367.96 × 99,641.89
4. Step 4: Simplify right side
   158,875.57x = 23,751,434,049.84
5. Step 5: Solve for x
   x = 23,751,434,049.84/158,875.57
6. Step 6: Final answer
   x = 149,497.08