Finding the Fourth Proportional to 22,180.32, 33,024.16 and 21,870.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,180.32 : 33,024.16 = 21,870.32 : x
2. Step 2: Convert to fraction form
   22,180.32/33,024.16 = 21,870.32/x
3. Step 3: Cross multiply
   22,180.32x = 33,024.16 × 21,870.32
4. Step 4: Simplify right side
   22,180.32x = 722,248,946.93
5. Step 5: Solve for x
   x = 722,248,946.93/22,180.32
6. Step 6: Final answer
   x = 32,562.60