Finding the Fourth Proportional to 70,457.72, 105,655.86 and 26,651

Step by Step Solution

1. Step 1: Write the proportion equation
   70,457.72 : 105,655.86 = 26,651 : x
2. Step 2: Convert to fraction form
   70,457.72/105,655.86 = 26,651/x
3. Step 3: Cross multiply
   70,457.72x = 105,655.86 × 26,651
4. Step 4: Simplify right side
   70,457.72x = 2,815,834,324.86
5. Step 5: Solve for x
   x = 2,815,834,324.86/70,457.72
6. Step 6: Final answer
   x = 39,964.88