Finding the Fourth Proportional to 1,477.31, 2,038.71 and 847.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.31 : 2,038.71 = 847.94 : x
2. Step 2: Convert to fraction form
   1,477.31/2,038.71 = 847.94/x
3. Step 3: Cross multiply
   1,477.31x = 2,038.71 × 847.94
4. Step 4: Simplify right side
   1,477.31x = 1,728,703.76
5. Step 5: Solve for x
   x = 1,728,703.76/1,477.31
6. Step 6: Final answer
   x = 1,170.17