Finding the Fourth Proportional to 109,581.56, 151,222.56 and 59,280.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,581.56 : 151,222.56 = 59,280.56 : x
2. Step 2: Convert to fraction form
   109,581.56/151,222.56 = 59,280.56/x
3. Step 3: Cross multiply
   109,581.56x = 151,222.56 × 59,280.56
4. Step 4: Simplify right side
   109,581.56x = 8,964,558,197.19
5. Step 5: Solve for x
   x = 8,964,558,197.19/109,581.56
6. Step 6: Final answer
   x = 81,807.18