Finding the Fourth Proportional to 1,900.72, 2,623.62 and 1,114.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.72 : 2,623.62 = 1,114.75 : x
2. Step 2: Convert to fraction form
   1,900.72/2,623.62 = 1,114.75/x
3. Step 3: Cross multiply
   1,900.72x = 2,623.62 × 1,114.75
4. Step 4: Simplify right side
   1,900.72x = 2,924,680.40
5. Step 5: Solve for x
   x = 2,924,680.40/1,900.72
6. Step 6: Final answer
   x = 1,538.72