Finding the Fourth Proportional to 72,980.72, 109,515.22 and 35,583

Step by Step Solution

1. Step 1: Write the proportion equation
   72,980.72 : 109,515.22 = 35,583 : x
2. Step 2: Convert to fraction form
   72,980.72/109,515.22 = 35,583/x
3. Step 3: Cross multiply
   72,980.72x = 109,515.22 × 35,583
4. Step 4: Simplify right side
   72,980.72x = 3,896,880,073.26
5. Step 5: Solve for x
   x = 3,896,880,073.26/72,980.72
6. Step 6: Final answer
   x = 53,396.02