Finding the Fourth Proportional to 72,002.71, 108,027.75 and 34,068.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,002.71 : 108,027.75 = 34,068.28 : x
2. Step 2: Convert to fraction form
   72,002.71/108,027.75 = 34,068.28/x
3. Step 3: Cross multiply
   72,002.71x = 108,027.75 × 34,068.28
4. Step 4: Simplify right side
   72,002.71x = 3,680,319,634.77
5. Step 5: Solve for x
   x = 3,680,319,634.77/72,002.71
6. Step 6: Final answer
   x = 51,113.63