Finding the Fourth Proportional to 2,996.91, 4,134.72 and 1,817.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996.91 : 4,134.72 = 1,817.55 : x
2. Step 2: Convert to fraction form
   2,996.91/4,134.72 = 1,817.55/x
3. Step 3: Cross multiply
   2,996.91x = 4,134.72 × 1,817.55
4. Step 4: Simplify right side
   2,996.91x = 7,515,060.34
5. Step 5: Solve for x
   x = 7,515,060.34/2,996.91
6. Step 6: Final answer
   x = 2,507.60