Finding the Fourth Proportional to 109,087.56, 150,547.01 and 72,726.26

Step by Step Solution

1. Step 1: Write the proportion equation
   109,087.56 : 150,547.01 = 72,726.26 : x
2. Step 2: Convert to fraction form
   109,087.56/150,547.01 = 72,726.26/x
3. Step 3: Cross multiply
   109,087.56x = 150,547.01 × 72,726.26
4. Step 4: Simplify right side
   109,087.56x = 10,948,719,875.12
5. Step 5: Solve for x
   x = 10,948,719,875.12/109,087.56
6. Step 6: Final answer
   x = 100,366.35