Finding the Fourth Proportional to 155,962.10, 234,024.15 and 72,856.10

Step by Step Solution

1. Step 1: Write the proportion equation
   155,962.10 : 234,024.15 = 72,856.10 : x
2. Step 2: Convert to fraction form
   155,962.10/234,024.15 = 72,856.10/x
3. Step 3: Cross multiply
   155,962.10x = 234,024.15 × 72,856.10
4. Step 4: Simplify right side
   155,962.10x = 17,050,086,874.82
5. Step 5: Solve for x
   x = 17,050,086,874.82/155,962.10
6. Step 6: Final answer
   x = 109,321.99