Finding the Fourth Proportional to 1,758.38, 2,638.10 and 525.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.38 : 2,638.10 = 525.83 : x
2. Step 2: Convert to fraction form
   1,758.38/2,638.10 = 525.83/x
3. Step 3: Cross multiply
   1,758.38x = 2,638.10 × 525.83
4. Step 4: Simplify right side
   1,758.38x = 1,387,200.03
5. Step 5: Solve for x
   x = 1,387,200.03/1,758.38
6. Step 6: Final answer
   x = 788.91