Finding the Fourth Proportional to 156,976.01, 216,260.79 and 109,146.32

Step by Step Solution

1. Step 1: Write the proportion equation
   156,976.01 : 216,260.79 = 109,146.32 : x
2. Step 2: Convert to fraction form
   156,976.01/216,260.79 = 109,146.32/x
3. Step 3: Cross multiply
   156,976.01x = 216,260.79 × 109,146.32
4. Step 4: Simplify right side
   156,976.01x = 23,604,069,388.79
5. Step 5: Solve for x
   x = 23,604,069,388.79/156,976.01
6. Step 6: Final answer
   x = 150,367.37