Finding the Fourth Proportional to 72,874.32, 109,219.38 and 39,056.29

Step by Step Solution

1. Step 1: Write the proportion equation
   72,874.32 : 109,219.38 = 39,056.29 : x
2. Step 2: Convert to fraction form
   72,874.32/109,219.38 = 39,056.29/x
3. Step 3: Cross multiply
   72,874.32x = 109,219.38 × 39,056.29
4. Step 4: Simplify right side
   72,874.32x = 4,265,704,083.60
5. Step 5: Solve for x
   x = 4,265,704,083.60/72,874.32
6. Step 6: Final answer
   x = 58,535.08