Finding the Fourth Proportional to 27,061.05, 37,320.06 and 16,990.43

Step by Step Solution

1. Step 1: Write the proportion equation
   27,061.05 : 37,320.06 = 16,990.43 : x
2. Step 2: Convert to fraction form
   27,061.05/37,320.06 = 16,990.43/x
3. Step 3: Cross multiply
   27,061.05x = 37,320.06 × 16,990.43
4. Step 4: Simplify right side
   27,061.05x = 634,083,680.43
5. Step 5: Solve for x
   x = 634,083,680.43/27,061.05
6. Step 6: Final answer
   x = 23,431.60