Finding the Fourth Proportional to 158,600.72, 218,848.76 and 90,622.10

Step by Step Solution

1. Step 1: Write the proportion equation
   158,600.72 : 218,848.76 = 90,622.10 : x
2. Step 2: Convert to fraction form
   158,600.72/218,848.76 = 90,622.10/x
3. Step 3: Cross multiply
   158,600.72x = 218,848.76 × 90,622.10
4. Step 4: Simplify right side
   158,600.72x = 19,832,533,345.91
5. Step 5: Solve for x
   x = 19,832,533,345.91/158,600.72
6. Step 6: Final answer
   x = 125,046.93