Finding the Fourth Proportional to 1,095.63, 1,511.89 and 653.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.63 : 1,511.89 = 653.28 : x
2. Step 2: Convert to fraction form
   1,095.63/1,511.89 = 653.28/x
3. Step 3: Cross multiply
   1,095.63x = 1,511.89 × 653.28
4. Step 4: Simplify right side
   1,095.63x = 987,687.50
5. Step 5: Solve for x
   x = 987,687.50/1,095.63
6. Step 6: Final answer
   x = 901.48