Finding the Fourth Proportional to 23,601.06, 32,569.46 and 12,990.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,601.06 : 32,569.46 = 12,990.61 : x
2. Step 2: Convert to fraction form
   23,601.06/32,569.46 = 12,990.61/x
3. Step 3: Cross multiply
   23,601.06x = 32,569.46 × 12,990.61
4. Step 4: Simplify right side
   23,601.06x = 423,097,152.77
5. Step 5: Solve for x
   x = 423,097,152.77/23,601.06
6. Step 6: Final answer
   x = 17,927.04