Finding the Fourth Proportional to 1,870.83, 2,803.95 and 947.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.83 : 2,803.95 = 947.03 : x
2. Step 2: Convert to fraction form
   1,870.83/2,803.95 = 947.03/x
3. Step 3: Cross multiply
   1,870.83x = 2,803.95 × 947.03
4. Step 4: Simplify right side
   1,870.83x = 2,655,410.75
5. Step 5: Solve for x
   x = 2,655,410.75/1,870.83
6. Step 6: Final answer
   x = 1,419.38