Finding the Fourth Proportional to 1,376.86, 1,899.27 and 852.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.86 : 1,899.27 = 852.52 : x
2. Step 2: Convert to fraction form
   1,376.86/1,899.27 = 852.52/x
3. Step 3: Cross multiply
   1,376.86x = 1,899.27 × 852.52
4. Step 4: Simplify right side
   1,376.86x = 1,619,165.66
5. Step 5: Solve for x
   x = 1,619,165.66/1,376.86
6. Step 6: Final answer
   x = 1,175.98