Finding the Fourth Proportional to 31,779.96, 43,856.98 and 19,033.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,779.96 : 43,856.98 = 19,033.72 : x
2. Step 2: Convert to fraction form
   31,779.96/43,856.98 = 19,033.72/x
3. Step 3: Cross multiply
   31,779.96x = 43,856.98 × 19,033.72
4. Step 4: Simplify right side
   31,779.96x = 834,761,477.37
5. Step 5: Solve for x
   x = 834,761,477.37/31,779.96
6. Step 6: Final answer
   x = 26,266.91