Finding the Fourth Proportional to 1,812,117.56, 2,716,478.68 and 613,200.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812,117.56 : 2,716,478.68 = 613,200.52 : x
2. Step 2: Convert to fraction form
   1,812,117.56/2,716,478.68 = 613,200.52/x
3. Step 3: Cross multiply
   1,812,117.56x = 2,716,478.68 × 613,200.52
4. Step 4: Simplify right side
   1,812,117.56x = 1,665,746,139,144.91
5. Step 5: Solve for x
   x = 1,665,746,139,144.91/1,812,117.56
6. Step 6: Final answer
   x = 919,226.31