Finding the Fourth Proportional to 32,931.57, 49,291.28 and 21,696.18

Step by Step Solution

1. Step 1: Write the proportion equation
   32,931.57 : 49,291.28 = 21,696.18 : x
2. Step 2: Convert to fraction form
   32,931.57/49,291.28 = 21,696.18/x
3. Step 3: Cross multiply
   32,931.57x = 49,291.28 × 21,696.18
4. Step 4: Simplify right side
   32,931.57x = 1,069,432,666.72
5. Step 5: Solve for x
   x = 1,069,432,666.72/32,931.57
6. Step 6: Final answer
   x = 32,474.39