Finding the Fourth Proportional to 72,443.57, 108,696.53 and 35,031.79

Step by Step Solution

1. Step 1: Write the proportion equation
   72,443.57 : 108,696.53 = 35,031.79 : x
2. Step 2: Convert to fraction form
   72,443.57/108,696.53 = 35,031.79/x
3. Step 3: Cross multiply
   72,443.57x = 108,696.53 × 35,031.79
4. Step 4: Simplify right side
   72,443.57x = 3,807,834,236.14
5. Step 5: Solve for x
   x = 3,807,834,236.14/72,443.57
6. Step 6: Final answer
   x = 52,562.77