Finding the Fourth Proportional to 109,397.98, 150,997.30 and 71,252.58

Step by Step Solution

1. Step 1: Write the proportion equation
   109,397.98 : 150,997.30 = 71,252.58 : x
2. Step 2: Convert to fraction form
   109,397.98/150,997.30 = 71,252.58/x
3. Step 3: Cross multiply
   109,397.98x = 150,997.30 × 71,252.58
4. Step 4: Simplify right side
   109,397.98x = 10,758,947,019.90
5. Step 5: Solve for x
   x = 10,758,947,019.90/109,397.98
6. Step 6: Final answer
   x = 98,346.85