Finding the Fourth Proportional to 78,727.90, 118,061.34 and 26,123.26

Step by Step Solution

1. Step 1: Write the proportion equation
   78,727.90 : 118,061.34 = 26,123.26 : x
2. Step 2: Convert to fraction form
   78,727.90/118,061.34 = 26,123.26/x
3. Step 3: Cross multiply
   78,727.90x = 118,061.34 × 26,123.26
4. Step 4: Simplify right side
   78,727.90x = 3,084,147,080.77
5. Step 5: Solve for x
   x = 3,084,147,080.77/78,727.90
6. Step 6: Final answer
   x = 39,174.77