Finding the Fourth Proportional to 23,439.98, 32,347.22 and 12,830.29

Step by Step Solution

1. Step 1: Write the proportion equation
   23,439.98 : 32,347.22 = 12,830.29 : x
2. Step 2: Convert to fraction form
   23,439.98/32,347.22 = 12,830.29/x
3. Step 3: Cross multiply
   23,439.98x = 32,347.22 × 12,830.29
4. Step 4: Simplify right side
   23,439.98x = 415,024,068.27
5. Step 5: Solve for x
   x = 415,024,068.27/23,439.98
6. Step 6: Final answer
   x = 17,705.82