Finding the Fourth Proportional to 23,200.53, 32,017.35 and 12,590.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.53 : 32,017.35 = 12,590.17 : x
2. Step 2: Convert to fraction form
   23,200.53/32,017.35 = 12,590.17/x
3. Step 3: Cross multiply
   23,200.53x = 32,017.35 × 12,590.17
4. Step 4: Simplify right side
   23,200.53x = 403,103,879.45
5. Step 5: Solve for x
   x = 403,103,879.45/23,200.53
6. Step 6: Final answer
   x = 17,374.77