Finding the Fourth Proportional to 31,293.86, 43,189.54 and 17,862.03

Step by Step Solution

1. Step 1: Write the proportion equation
   31,293.86 : 43,189.54 = 17,862.03 : x
2. Step 2: Convert to fraction form
   31,293.86/43,189.54 = 17,862.03/x
3. Step 3: Cross multiply
   31,293.86x = 43,189.54 × 17,862.03
4. Step 4: Simplify right side
   31,293.86x = 771,452,814.51
5. Step 5: Solve for x
   x = 771,452,814.51/31,293.86
6. Step 6: Final answer
   x = 24,651.89