Finding the Fourth Proportional to 81,505.07, 122,258.06 and 37,100.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,505.07 : 122,258.06 = 37,100.76 : x
2. Step 2: Convert to fraction form
   81,505.07/122,258.06 = 37,100.76/x
3. Step 3: Cross multiply
   81,505.07x = 122,258.06 × 37,100.76
4. Step 4: Simplify right side
   81,505.07x = 4,535,866,756.62
5. Step 5: Solve for x
   x = 4,535,866,756.62/81,505.07
6. Step 6: Final answer
   x = 55,651.35