Finding the Fourth Proportional to 78,853, 108,788.61 and 60,709.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,853 : 108,788.61 = 60,709.24 : x
2. Step 2: Convert to fraction form
   78,853/108,788.61 = 60,709.24/x
3. Step 3: Cross multiply
   78,853x = 108,788.61 × 60,709.24
4. Step 4: Simplify right side
   78,853x = 6,604,473,833.76
5. Step 5: Solve for x
   x = 6,604,473,833.76/78,853
6. Step 6: Final answer
   x = 83,756.79