Finding the Fourth Proportional to 1,483.59, 2,229.42 and 790.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.59 : 2,229.42 = 790.76 : x
2. Step 2: Convert to fraction form
   1,483.59/2,229.42 = 790.76/x
3. Step 3: Cross multiply
   1,483.59x = 2,229.42 × 790.76
4. Step 4: Simplify right side
   1,483.59x = 1,762,927.98
5. Step 5: Solve for x
   x = 1,762,927.98/1,483.59
6. Step 6: Final answer
   x = 1,188.29