Finding the Fourth Proportional to 93,139.62, 139,710.72 and 26,579.73

Step by Step Solution

1. Step 1: Write the proportion equation
   93,139.62 : 139,710.72 = 26,579.73 : x
2. Step 2: Convert to fraction form
   93,139.62/139,710.72 = 26,579.73/x
3. Step 3: Cross multiply
   93,139.62x = 139,710.72 × 26,579.73
4. Step 4: Simplify right side
   93,139.62x = 3,713,473,215.71
5. Step 5: Solve for x
   x = 3,713,473,215.71/93,139.62
6. Step 6: Final answer
   x = 39,869.96