Finding the Fourth Proportional to 22,601.61, 31,192.06 and 12,533.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,601.61 : 31,192.06 = 12,533.21 : x
2. Step 2: Convert to fraction form
   22,601.61/31,192.06 = 12,533.21/x
3. Step 3: Cross multiply
   22,601.61x = 31,192.06 × 12,533.21
4. Step 4: Simplify right side
   22,601.61x = 390,936,451.02
5. Step 5: Solve for x
   x = 390,936,451.02/22,601.61
6. Step 6: Final answer
   x = 17,296.84