Finding the Fourth Proportional to 31,577.94, 43,577.56 and 17,430.79

Step by Step Solution

1. Step 1: Write the proportion equation
   31,577.94 : 43,577.56 = 17,430.79 : x
2. Step 2: Convert to fraction form
   31,577.94/43,577.56 = 17,430.79/x
3. Step 3: Cross multiply
   31,577.94x = 43,577.56 × 17,430.79
4. Step 4: Simplify right side
   31,577.94x = 759,591,079.18
5. Step 5: Solve for x
   x = 759,591,079.18/31,577.94
6. Step 6: Final answer
   x = 24,054.48