Finding the Fourth Proportional to 1,500.73, 2,070.97 and 870.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.73 : 2,070.97 = 870.95 : x
2. Step 2: Convert to fraction form
   1,500.73/2,070.97 = 870.95/x
3. Step 3: Cross multiply
   1,500.73x = 2,070.97 × 870.95
4. Step 4: Simplify right side
   1,500.73x = 1,803,714.32
5. Step 5: Solve for x
   x = 1,803,714.32/1,500.73
6. Step 6: Final answer
   x = 1,201.89