Finding the Fourth Proportional to 14,061.68, 21,091.99 and 3,531.77

Step by Step Solution

1. Step 1: Write the proportion equation
   14,061.68 : 21,091.99 = 3,531.77 : x
2. Step 2: Convert to fraction form
   14,061.68/21,091.99 = 3,531.77/x
3. Step 3: Cross multiply
   14,061.68x = 21,091.99 × 3,531.77
4. Step 4: Simplify right side
   14,061.68x = 74,492,057.52
5. Step 5: Solve for x
   x = 74,492,057.52/14,061.68
6. Step 6: Final answer
   x = 5,297.52