Finding the Fourth Proportional to 156,705.42, 216,272.61 and 92,171.58

Step by Step Solution

1. Step 1: Write the proportion equation
   156,705.42 : 216,272.61 = 92,171.58 : x
2. Step 2: Convert to fraction form
   156,705.42/216,272.61 = 92,171.58/x
3. Step 3: Cross multiply
   156,705.42x = 216,272.61 × 92,171.58
4. Step 4: Simplify right side
   156,705.42x = 19,934,186,632.20
5. Step 5: Solve for x
   x = 19,934,186,632.20/156,705.42
6. Step 6: Final answer
   x = 127,208.02