Finding the Fourth Proportional to 2,996.61, 4,495.52 and 1,147.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996.61 : 4,495.52 = 1,147.78 : x
2. Step 2: Convert to fraction form
   2,996.61/4,495.52 = 1,147.78/x
3. Step 3: Cross multiply
   2,996.61x = 4,495.52 × 1,147.78
4. Step 4: Simplify right side
   2,996.61x = 5,159,867.95
5. Step 5: Solve for x
   x = 5,159,867.95/2,996.61
6. Step 6: Final answer
   x = 1,721.90