Finding the Fourth Proportional to 31,566.21, 43,561.32 and 17,419.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,566.21 : 43,561.32 = 17,419.05 : x
2. Step 2: Convert to fraction form
   31,566.21/43,561.32 = 17,419.05/x
3. Step 3: Cross multiply
   31,566.21x = 43,561.32 × 17,419.05
4. Step 4: Simplify right side
   31,566.21x = 758,796,811.15
5. Step 5: Solve for x
   x = 758,796,811.15/31,566.21
6. Step 6: Final answer
   x = 24,038.26