Finding the Fourth Proportional to 1,500.18, 2,070.17 and 837.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.18 : 2,070.17 = 837.09 : x
2. Step 2: Convert to fraction form
   1,500.18/2,070.17 = 837.09/x
3. Step 3: Cross multiply
   1,500.18x = 2,070.17 × 837.09
4. Step 4: Simplify right side
   1,500.18x = 1,732,914.42
5. Step 5: Solve for x
   x = 1,732,914.42/1,500.18
6. Step 6: Final answer
   x = 1,155.14