Finding the Fourth Proportional to 123,244.53, 170,181.15 and 78,002.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,244.53 : 170,181.15 = 78,002.34 : x
2. Step 2: Convert to fraction form
   123,244.53/170,181.15 = 78,002.34/x
3. Step 3: Cross multiply
   123,244.53x = 170,181.15 × 78,002.34
4. Step 4: Simplify right side
   123,244.53x = 13,274,527,923.89
5. Step 5: Solve for x
   x = 13,274,527,923.89/123,244.53
6. Step 6: Final answer
   x = 107,708.86