Finding the Fourth Proportional to 156,736.24, 216,362.22 and 105,817.94

Step by Step Solution

1. Step 1: Write the proportion equation
   156,736.24 : 216,362.22 = 105,817.94 : x
2. Step 2: Convert to fraction form
   156,736.24/216,362.22 = 105,817.94/x
3. Step 3: Cross multiply
   156,736.24x = 216,362.22 × 105,817.94
4. Step 4: Simplify right side
   156,736.24x = 22,895,003,332.42
5. Step 5: Solve for x
   x = 22,895,003,332.42/156,736.24
6. Step 6: Final answer
   x = 146,073.45