Finding the Fourth Proportional to 31,302.45, 43,199.71 and 19,372.73

Step by Step Solution

1. Step 1: Write the proportion equation
   31,302.45 : 43,199.71 = 19,372.73 : x
2. Step 2: Convert to fraction form
   31,302.45/43,199.71 = 19,372.73/x
3. Step 3: Cross multiply
   31,302.45x = 43,199.71 × 19,372.73
4. Step 4: Simplify right side
   31,302.45x = 836,896,053.48
5. Step 5: Solve for x
   x = 836,896,053.48/31,302.45
6. Step 6: Final answer
   x = 26,735.80