Finding the Fourth Proportional to 23,440.50, 32,347.86 and 12,830.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,440.50 : 32,347.86 = 12,830.16 : x
2. Step 2: Convert to fraction form
   23,440.50/32,347.86 = 12,830.16/x
3. Step 3: Cross multiply
   23,440.50x = 32,347.86 × 12,830.16
4. Step 4: Simplify right side
   23,440.50x = 415,028,219.46
5. Step 5: Solve for x
   x = 415,028,219.46/23,440.50
6. Step 6: Final answer
   x = 17,705.60