Finding the Fourth Proportional to 31,768.70, 43,752.03 and 31,079.93

Step by Step Solution

1. Step 1: Write the proportion equation
   31,768.70 : 43,752.03 = 31,079.93 : x
2. Step 2: Convert to fraction form
   31,768.70/43,752.03 = 31,079.93/x
3. Step 3: Cross multiply
   31,768.70x = 43,752.03 × 31,079.93
4. Step 4: Simplify right side
   31,768.70x = 1,359,810,029.76
5. Step 5: Solve for x
   x = 1,359,810,029.76/31,768.70
6. Step 6: Final answer
   x = 42,803.45