Finding the Fourth Proportional to 81,577.56, 122,366.76 and 37,174.17

Step by Step Solution

1. Step 1: Write the proportion equation
   81,577.56 : 122,366.76 = 37,174.17 : x
2. Step 2: Convert to fraction form
   81,577.56/122,366.76 = 37,174.17/x
3. Step 3: Cross multiply
   81,577.56x = 122,366.76 × 37,174.17
4. Step 4: Simplify right side
   81,577.56x = 4,548,882,738.59
5. Step 5: Solve for x
   x = 4,548,882,738.59/81,577.56
6. Step 6: Final answer
   x = 55,761.45