Finding the Fourth Proportional to 123,245.53, 170,182.53 and 78,003.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,245.53 : 170,182.53 = 78,003.34 : x
2. Step 2: Convert to fraction form
   123,245.53/170,182.53 = 78,003.34/x
3. Step 3: Cross multiply
   123,245.53x = 170,182.53 × 78,003.34
4. Step 4: Simplify right side
   123,245.53x = 13,274,805,749.65
5. Step 5: Solve for x
   x = 13,274,805,749.65/123,245.53
6. Step 6: Final answer
   x = 107,710.24