Finding the Fourth Proportional to 220,113.99, 303,764.82 and 123,321.93

Step by Step Solution

1. Step 1: Write the proportion equation
   220,113.99 : 303,764.82 = 123,321.93 : x
2. Step 2: Convert to fraction form
   220,113.99/303,764.82 = 123,321.93/x
3. Step 3: Cross multiply
   220,113.99x = 303,764.82 × 123,321.93
4. Step 4: Simplify right side
   220,113.99x = 37,460,863,868.50
5. Step 5: Solve for x
   x = 37,460,863,868.50/220,113.99
6. Step 6: Final answer
   x = 170,188.47