Finding the Fourth Proportional to 1,074.01, 1,610.58 and 526.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.01 : 1,610.58 = 526.03 : x
2. Step 2: Convert to fraction form
   1,074.01/1,610.58 = 526.03/x
3. Step 3: Cross multiply
   1,074.01x = 1,610.58 × 526.03
4. Step 4: Simplify right side
   1,074.01x = 847,213.40
5. Step 5: Solve for x
   x = 847,213.40/1,074.01
6. Step 6: Final answer
   x = 788.83