Finding the Fourth Proportional to 32,981.71, 49,483.50 and 21,931.89

Step by Step Solution

1. Step 1: Write the proportion equation
   32,981.71 : 49,483.50 = 21,931.89 : x
2. Step 2: Convert to fraction form
   32,981.71/49,483.50 = 21,931.89/x
3. Step 3: Cross multiply
   32,981.71x = 49,483.50 × 21,931.89
4. Step 4: Simplify right side
   32,981.71x = 1,085,266,678.82
5. Step 5: Solve for x
   x = 1,085,266,678.82/32,981.71
6. Step 6: Final answer
   x = 32,905.11