Finding the Fourth Proportional to 374,275.69, 560,407.50 and 285,104.41

Step by Step Solution

1. Step 1: Write the proportion equation
   374,275.69 : 560,407.50 = 285,104.41 : x
2. Step 2: Convert to fraction form
   374,275.69/560,407.50 = 285,104.41/x
3. Step 3: Cross multiply
   374,275.69x = 560,407.50 × 285,104.41
4. Step 4: Simplify right side
   374,275.69x = 159,774,648,221.55
5. Step 5: Solve for x
   x = 159,774,648,221.55/374,275.69
6. Step 6: Final answer
   x = 426,890.26