Finding the Fourth Proportional to 78,774.06, 108,725.85 and 50,088.18

Step by Step Solution

1. Step 1: Write the proportion equation
   78,774.06 : 108,725.85 = 50,088.18 : x
2. Step 2: Convert to fraction form
   78,774.06/108,725.85 = 50,088.18/x
3. Step 3: Cross multiply
   78,774.06x = 108,725.85 × 50,088.18
4. Step 4: Simplify right side
   78,774.06x = 5,445,879,945.45
5. Step 5: Solve for x
   x = 5,445,879,945.45/78,774.06
6. Step 6: Final answer
   x = 69,132.91