Finding the Fourth Proportional to 156,122.32, 215,443.88 and 92,460.72

Step by Step Solution

1. Step 1: Write the proportion equation
   156,122.32 : 215,443.88 = 92,460.72 : x
2. Step 2: Convert to fraction form
   156,122.32/215,443.88 = 92,460.72/x
3. Step 3: Cross multiply
   156,122.32x = 215,443.88 × 92,460.72
4. Step 4: Simplify right side
   156,122.32x = 19,920,096,264.39
5. Step 5: Solve for x
   x = 19,920,096,264.39/156,122.32
6. Step 6: Final answer
   x = 127,592.88