Finding the Fourth Proportional to 1,012.49, 1,510.29 and 995.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012.49 : 1,510.29 = 995.76 : x
2. Step 2: Convert to fraction form
   1,012.49/1,510.29 = 995.76/x
3. Step 3: Cross multiply
   1,012.49x = 1,510.29 × 995.76
4. Step 4: Simplify right side
   1,012.49x = 1,503,886.37
5. Step 5: Solve for x
   x = 1,503,886.37/1,012.49
6. Step 6: Final answer
   x = 1,485.34