Finding the Fourth Proportional to 78,774.93, 108,708.48 and 42,965.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,774.93 : 108,708.48 = 42,965.24 : x
2. Step 2: Convert to fraction form
   78,774.93/108,708.48 = 42,965.24/x
3. Step 3: Cross multiply
   78,774.93x = 108,708.48 × 42,965.24
4. Step 4: Simplify right side
   78,774.93x = 4,670,685,389.69
5. Step 5: Solve for x
   x = 4,670,685,389.69/78,774.93
6. Step 6: Final answer
   x = 59,291.52