Finding the Fourth Proportional to 1,085.30, 1,625.52 and 651.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.30 : 1,625.52 = 651.56 : x
2. Step 2: Convert to fraction form
   1,085.30/1,625.52 = 651.56/x
3. Step 3: Cross multiply
   1,085.30x = 1,625.52 × 651.56
4. Step 4: Simplify right side
   1,085.30x = 1,059,123.81
5. Step 5: Solve for x
   x = 1,059,123.81/1,085.30
6. Step 6: Final answer
   x = 975.88