Finding the Fourth Proportional to 2,030.86, 2,804.79 and 1,402.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.86 : 2,804.79 = 1,402.30 : x
2. Step 2: Convert to fraction form
   2,030.86/2,804.79 = 1,402.30/x
3. Step 3: Cross multiply
   2,030.86x = 2,804.79 × 1,402.30
4. Step 4: Simplify right side
   2,030.86x = 3,933,157.02
5. Step 5: Solve for x
   x = 3,933,157.02/2,030.86
6. Step 6: Final answer
   x = 1,936.70