Finding the Fourth Proportional to 22,766.07, 34,096.65 and 21,978.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,766.07 : 34,096.65 = 21,978.03 : x
2. Step 2: Convert to fraction form
   22,766.07/34,096.65 = 21,978.03/x
3. Step 3: Cross multiply
   22,766.07x = 34,096.65 × 21,978.03
4. Step 4: Simplify right side
   22,766.07x = 749,377,196.60
5. Step 5: Solve for x
   x = 749,377,196.60/22,766.07
6. Step 6: Final answer
   x = 32,916.41