Finding the Fourth Proportional to 109,997.42, 151,798.59 and 71,781.41

Step by Step Solution

1. Step 1: Write the proportion equation
   109,997.42 : 151,798.59 = 71,781.41 : x
2. Step 2: Convert to fraction form
   109,997.42/151,798.59 = 71,781.41/x
3. Step 3: Cross multiply
   109,997.42x = 151,798.59 × 71,781.41
4. Step 4: Simplify right side
   109,997.42x = 10,896,316,467.30
5. Step 5: Solve for x
   x = 10,896,316,467.30/109,997.42
6. Step 6: Final answer
   x = 99,059.75