Finding the Fourth Proportional to 123,598.95, 170,559.72 and 69,880.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,598.95 : 170,559.72 = 69,880.56 : x
2. Step 2: Convert to fraction form
   123,598.95/170,559.72 = 69,880.56/x
3. Step 3: Cross multiply
   123,598.95x = 170,559.72 × 69,880.56
4. Step 4: Simplify right side
   123,598.95x = 11,918,808,747.04
5. Step 5: Solve for x
   x = 11,918,808,747.04/123,598.95
6. Step 6: Final answer
   x = 96,431.31