Finding the Fourth Proportional to 31,317.01, 43,211.39 and 18,567.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,317.01 : 43,211.39 = 18,567.83 : x
2. Step 2: Convert to fraction form
   31,317.01/43,211.39 = 18,567.83/x
3. Step 3: Cross multiply
   31,317.01x = 43,211.39 × 18,567.83
4. Step 4: Simplify right side
   31,317.01x = 802,341,758.77
5. Step 5: Solve for x
   x = 802,341,758.77/31,317.01
6. Step 6: Final answer
   x = 25,620.00