Finding the Fourth Proportional to 22,073.31, 30,457.88 and 13,117.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,073.31 : 30,457.88 = 13,117.59 : x
2. Step 2: Convert to fraction form
   22,073.31/30,457.88 = 13,117.59/x
3. Step 3: Cross multiply
   22,073.31x = 30,457.88 × 13,117.59
4. Step 4: Simplify right side
   22,073.31x = 399,533,982.11
5. Step 5: Solve for x
   x = 399,533,982.11/22,073.31
6. Step 6: Final answer
   x = 18,100.32