Finding the Fourth Proportional to 31,219.83, 43,065.83 and 19,274.66

Step by Step Solution

1. Step 1: Write the proportion equation
   31,219.83 : 43,065.83 = 19,274.66 : x
2. Step 2: Convert to fraction form
   31,219.83/43,065.83 = 19,274.66/x
3. Step 3: Cross multiply
   31,219.83x = 43,065.83 × 19,274.66
4. Step 4: Simplify right side
   31,219.83x = 830,079,116.80
5. Step 5: Solve for x
   x = 830,079,116.80/31,219.83
6. Step 6: Final answer
   x = 26,588.20