Finding the Fourth Proportional to 1,500.65, 2,070.98 and 837.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.65 : 2,070.98 = 837.49 : x
2. Step 2: Convert to fraction form
   1,500.65/2,070.98 = 837.49/x
3. Step 3: Cross multiply
   1,500.65x = 2,070.98 × 837.49
4. Step 4: Simplify right side
   1,500.65x = 1,734,428.89
5. Step 5: Solve for x
   x = 1,734,428.89/1,500.65
6. Step 6: Final answer
   x = 1,155.78