Finding the Fourth Proportional to 1,812,510.48, 2,501,328.72 and 996,776.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812,510.48 : 2,501,328.72 = 996,776.28 : x
2. Step 2: Convert to fraction form
   1,812,510.48/2,501,328.72 = 996,776.28/x
3. Step 3: Cross multiply
   1,812,510.48x = 2,501,328.72 × 996,776.28
4. Step 4: Simplify right side
   1,812,510.48x = 2,493,265,136,578.76
5. Step 5: Solve for x
   x = 2,493,265,136,578.76/1,812,510.48
6. Step 6: Final answer
   x = 1,375,586.60