Finding the Fourth Proportional to 78,961.94, 108,782.75 and 55,045.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,961.94 : 108,782.75 = 55,045.88 : x
2. Step 2: Convert to fraction form
   78,961.94/108,782.75 = 55,045.88/x
3. Step 3: Cross multiply
   78,961.94x = 108,782.75 × 55,045.88
4. Step 4: Simplify right side
   78,961.94x = 5,988,041,894.57
5. Step 5: Solve for x
   x = 5,988,041,894.57/78,961.94
6. Step 6: Final answer
   x = 75,834.53