Finding the Fourth Proportional to 23,572.83, 32,530.23 and 12,961.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,572.83 : 32,530.23 = 12,961.83 : x
2. Step 2: Convert to fraction form
   23,572.83/32,530.23 = 12,961.83/x
3. Step 3: Cross multiply
   23,572.83x = 32,530.23 × 12,961.83
4. Step 4: Simplify right side
   23,572.83x = 421,651,311.12
5. Step 5: Solve for x
   x = 421,651,311.12/23,572.83
6. Step 6: Final answer
   x = 17,887.17