Finding the Fourth Proportional to 3,068.56, 4,603.50 and 988.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,068.56 : 4,603.50 = 988.72 : x
2. Step 2: Convert to fraction form
   3,068.56/4,603.50 = 988.72/x
3. Step 3: Cross multiply
   3,068.56x = 4,603.50 × 988.72
4. Step 4: Simplify right side
   3,068.56x = 4,551,572.52
5. Step 5: Solve for x
   x = 4,551,572.52/3,068.56
6. Step 6: Final answer
   x = 1,483.29