Finding the Fourth Proportional to 1,500.95, 2,071.31 and 837.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.95 : 2,071.31 = 837.81 : x
2. Step 2: Convert to fraction form
   1,500.95/2,071.31 = 837.81/x
3. Step 3: Cross multiply
   1,500.95x = 2,071.31 × 837.81
4. Step 4: Simplify right side
   1,500.95x = 1,735,364.23
5. Step 5: Solve for x
   x = 1,735,364.23/1,500.95
6. Step 6: Final answer
   x = 1,156.18