Finding the Fourth Proportional to 1,050.55, 1,575.61 and 357.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.55 : 1,575.61 = 357.59 : x
2. Step 2: Convert to fraction form
   1,050.55/1,575.61 = 357.59/x
3. Step 3: Cross multiply
   1,050.55x = 1,575.61 × 357.59
4. Step 4: Simplify right side
   1,050.55x = 563,422.38
5. Step 5: Solve for x
   x = 563,422.38/1,050.55
6. Step 6: Final answer
   x = 536.31