Finding the Fourth Proportional to 1,510.61, 2,084.65 and 847.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.61 : 2,084.65 = 847.47 : x
2. Step 2: Convert to fraction form
   1,510.61/2,084.65 = 847.47/x
3. Step 3: Cross multiply
   1,510.61x = 2,084.65 × 847.47
4. Step 4: Simplify right side
   1,510.61x = 1,766,667.91
5. Step 5: Solve for x
   x = 1,766,667.91/1,510.61
6. Step 6: Final answer
   x = 1,169.50