Finding the Fourth Proportional to 78,824.71, 118,254.89 and 26,236.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,824.71 : 118,254.89 = 26,236.27 : x
2. Step 2: Convert to fraction form
   78,824.71/118,254.89 = 26,236.27/x
3. Step 3: Cross multiply
   78,824.71x = 118,254.89 × 26,236.27
4. Step 4: Simplify right side
   78,824.71x = 3,102,567,288.69
5. Step 5: Solve for x
   x = 3,102,567,288.69/78,824.71
6. Step 6: Final answer
   x = 39,360.34