Finding the Fourth Proportional to 1,914.02, 2,869.18 and 1,047.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.02 : 2,869.18 = 1,047.72 : x
2. Step 2: Convert to fraction form
   1,914.02/2,869.18 = 1,047.72/x
3. Step 3: Cross multiply
   1,914.02x = 2,869.18 × 1,047.72
4. Step 4: Simplify right side
   1,914.02x = 3,006,097.27
5. Step 5: Solve for x
   x = 3,006,097.27/1,914.02
6. Step 6: Final answer
   x = 1,570.57