Finding the Fourth Proportional to 1,500.28, 2,070.30 and 837.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.28 : 2,070.30 = 837.08 : x
2. Step 2: Convert to fraction form
   1,500.28/2,070.30 = 837.08/x
3. Step 3: Cross multiply
   1,500.28x = 2,070.30 × 837.08
4. Step 4: Simplify right side
   1,500.28x = 1,733,006.72
5. Step 5: Solve for x
   x = 1,733,006.72/1,500.28
6. Step 6: Final answer
   x = 1,155.12