Finding the Fourth Proportional to 72,377.32, 99,874.02 and 40,547.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,377.32 : 99,874.02 = 40,547.56 : x
2. Step 2: Convert to fraction form
   72,377.32/99,874.02 = 40,547.56/x
3. Step 3: Cross multiply
   72,377.32x = 99,874.02 × 40,547.56
4. Step 4: Simplify right side
   72,377.32x = 4,049,647,818.39
5. Step 5: Solve for x
   x = 4,049,647,818.39/72,377.32
6. Step 6: Final answer
   x = 55,951.89