Finding the Fourth Proportional to 17,056.17, 23,491.98 and 14,820.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,056.17 : 23,491.98 = 14,820.57 : x
2. Step 2: Convert to fraction form
   17,056.17/23,491.98 = 14,820.57/x
3. Step 3: Cross multiply
   17,056.17x = 23,491.98 × 14,820.57
4. Step 4: Simplify right side
   17,056.17x = 348,164,534.03
5. Step 5: Solve for x
   x = 348,164,534.03/17,056.17
6. Step 6: Final answer
   x = 20,412.82