Finding the Fourth Proportional to 1,870.52, 2,803.41 and 1,047.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.52 : 2,803.41 = 1,047.60 : x
2. Step 2: Convert to fraction form
   1,870.52/2,803.41 = 1,047.60/x
3. Step 3: Cross multiply
   1,870.52x = 2,803.41 × 1,047.60
4. Step 4: Simplify right side
   1,870.52x = 2,936,852.32
5. Step 5: Solve for x
   x = 2,936,852.32/1,870.52
6. Step 6: Final answer
   x = 1,570.08