Finding the Fourth Proportional to 72,747.68, 109,050.74 and 34,787.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,747.68 : 109,050.74 = 34,787.06 : x
2. Step 2: Convert to fraction form
   72,747.68/109,050.74 = 34,787.06/x
3. Step 3: Cross multiply
   72,747.68x = 109,050.74 × 34,787.06
4. Step 4: Simplify right side
   72,747.68x = 3,793,554,635.42
5. Step 5: Solve for x
   x = 3,793,554,635.42/72,747.68
6. Step 6: Final answer
   x = 52,146.74