Finding the Fourth Proportional to 1,477.51, 2,039.82 and 980.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.51 : 2,039.82 = 980.83 : x
2. Step 2: Convert to fraction form
   1,477.51/2,039.82 = 980.83/x
3. Step 3: Cross multiply
   1,477.51x = 2,039.82 × 980.83
4. Step 4: Simplify right side
   1,477.51x = 2,000,704.00
5. Step 5: Solve for x
   x = 2,000,704.00/1,477.51
6. Step 6: Final answer
   x = 1,354.10