Finding the Fourth Proportional to 52,060.78, 78,081.34 and 25,379.99

Step by Step Solution

1. Step 1: Write the proportion equation
   52,060.78 : 78,081.34 = 25,379.99 : x
2. Step 2: Convert to fraction form
   52,060.78/78,081.34 = 25,379.99/x
3. Step 3: Cross multiply
   52,060.78x = 78,081.34 × 25,379.99
4. Step 4: Simplify right side
   52,060.78x = 1,981,703,628.39
5. Step 5: Solve for x
   x = 1,981,703,628.39/52,060.78
6. Step 6: Final answer
   x = 38,065.19