Finding the Fourth Proportional to 81,985.59, 122,992.41 and 37,616.15

Step by Step Solution

1. Step 1: Write the proportion equation
   81,985.59 : 122,992.41 = 37,616.15 : x
2. Step 2: Convert to fraction form
   81,985.59/122,992.41 = 37,616.15/x
3. Step 3: Cross multiply
   81,985.59x = 122,992.41 × 37,616.15
4. Step 4: Simplify right side
   81,985.59x = 4,626,500,328.46
5. Step 5: Solve for x
   x = 4,626,500,328.46/81,985.59
6. Step 6: Final answer
   x = 56,430.65