Finding the Fourth Proportional to 31,577.58, 43,577.42 and 17,430.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,577.58 : 43,577.42 = 17,430.43 : x
2. Step 2: Convert to fraction form
   31,577.58/43,577.42 = 17,430.43/x
3. Step 3: Cross multiply
   31,577.58x = 43,577.42 × 17,430.43
4. Step 4: Simplify right side
   31,577.58x = 759,573,168.89
5. Step 5: Solve for x
   x = 759,573,168.89/31,577.58
6. Step 6: Final answer
   x = 24,054.19