Finding the Fourth Proportional to 1,085.19, 1,627.43 and 468.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.19 : 1,627.43 = 468.51 : x
2. Step 2: Convert to fraction form
   1,085.19/1,627.43 = 468.51/x
3. Step 3: Cross multiply
   1,085.19x = 1,627.43 × 468.51
4. Step 4: Simplify right side
   1,085.19x = 762,464.89
5. Step 5: Solve for x
   x = 762,464.89/1,085.19
6. Step 6: Final answer
   x = 702.61