Finding the Fourth Proportional to 1,513.42, 2,088.36 and 850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.42 : 2,088.36 = 850.50 : x
2. Step 2: Convert to fraction form
   1,513.42/2,088.36 = 850.50/x
3. Step 3: Cross multiply
   1,513.42x = 2,088.36 × 850.50
4. Step 4: Simplify right side
   1,513.42x = 1,776,150.18
5. Step 5: Solve for x
   x = 1,776,150.18/1,513.42
6. Step 6: Final answer
   x = 1,173.60