Finding the Fourth Proportional to 31,302.72, 43,194.24 and 19,373.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,302.72 : 43,194.24 = 19,373.76 : x
2. Step 2: Convert to fraction form
   31,302.72/43,194.24 = 19,373.76/x
3. Step 3: Cross multiply
   31,302.72x = 43,194.24 × 19,373.76
4. Step 4: Simplify right side
   31,302.72x = 836,834,839.14
5. Step 5: Solve for x
   x = 836,834,839.14/31,302.72
6. Step 6: Final answer
   x = 26,733.61