Finding the Fourth Proportional to 72,007.64, 99,257.33 and 49,307.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,007.64 : 99,257.33 = 49,307.33 : x
2. Step 2: Convert to fraction form
   72,007.64/99,257.33 = 49,307.33/x
3. Step 3: Cross multiply
   72,007.64x = 99,257.33 × 49,307.33
4. Step 4: Simplify right side
   72,007.64x = 4,894,113,182.41
5. Step 5: Solve for x
   x = 4,894,113,182.41/72,007.64
6. Step 6: Final answer
   x = 67,966.59