Finding the Fourth Proportional to 1,407.35, 1,941.37 and 847.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407.35 : 1,941.37 = 847.48 : x
2. Step 2: Convert to fraction form
   1,407.35/1,941.37 = 847.48/x
3. Step 3: Cross multiply
   1,407.35x = 1,941.37 × 847.48
4. Step 4: Simplify right side
   1,407.35x = 1,645,272.25
5. Step 5: Solve for x
   x = 1,645,272.25/1,407.35
6. Step 6: Final answer
   x = 1,169.06