Finding the Fourth Proportional to 78,774.95, 108,719.88 and 50,097.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,774.95 : 108,719.88 = 50,097.32 : x
2. Step 2: Convert to fraction form
   78,774.95/108,719.88 = 50,097.32/x
3. Step 3: Cross multiply
   78,774.95x = 108,719.88 × 50,097.32
4. Step 4: Simplify right side
   78,774.95x = 5,446,574,618.72
5. Step 5: Solve for x
   x = 5,446,574,618.72/78,774.95
6. Step 6: Final answer
   x = 69,140.95