Finding the Fourth Proportional to 123,834.36, 170,803.98 and 76,114.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,834.36 : 170,803.98 = 76,114.56 : x
2. Step 2: Convert to fraction form
   123,834.36/170,803.98 = 76,114.56/x
3. Step 3: Cross multiply
   123,834.36x = 170,803.98 × 76,114.56
4. Step 4: Simplify right side
   123,834.36x = 13,000,669,783.95
5. Step 5: Solve for x
   x = 13,000,669,783.95/123,834.36
6. Step 6: Final answer
   x = 104,984.35