Finding the Fourth Proportional to 87,616.50, 131,518.32 and 37,721.34

Step by Step Solution

1. Step 1: Write the proportion equation
   87,616.50 : 131,518.32 = 37,721.34 : x
2. Step 2: Convert to fraction form
   87,616.50/131,518.32 = 37,721.34/x
3. Step 3: Cross multiply
   87,616.50x = 131,518.32 × 37,721.34
4. Step 4: Simplify right side
   87,616.50x = 4,961,047,264.95
5. Step 5: Solve for x
   x = 4,961,047,264.95/87,616.50
6. Step 6: Final answer
   x = 56,622.29