Finding the Fourth Proportional to 31,779.48, 43,860.96 and 17,636.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,779.48 : 43,860.96 = 17,636.88 : x
2. Step 2: Convert to fraction form
   31,779.48/43,860.96 = 17,636.88/x
3. Step 3: Cross multiply
   31,779.48x = 43,860.96 × 17,636.88
4. Step 4: Simplify right side
   31,779.48x = 773,570,488.20
5. Step 5: Solve for x
   x = 773,570,488.20/31,779.48
6. Step 6: Final answer
   x = 24,341.82