Finding the Fourth Proportional to 1,083.98, 1,624.89 and 535.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.98 : 1,624.89 = 535.34 : x
2. Step 2: Convert to fraction form
   1,083.98/1,624.89 = 535.34/x
3. Step 3: Cross multiply
   1,083.98x = 1,624.89 × 535.34
4. Step 4: Simplify right side
   1,083.98x = 869,868.61
5. Step 5: Solve for x
   x = 869,868.61/1,083.98
6. Step 6: Final answer
   x = 802.48