Finding the Fourth Proportional to 1,144,039.59, 1,578,770.22 and 627,802.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,039.59 : 1,578,770.22 = 627,802.14 : x
2. Step 2: Convert to fraction form
   1,144,039.59/1,578,770.22 = 627,802.14/x
3. Step 3: Cross multiply
   1,144,039.59x = 1,578,770.22 × 627,802.14
4. Step 4: Simplify right side
   1,144,039.59x = 991,155,322,684.27
5. Step 5: Solve for x
   x = 991,155,322,684.27/1,144,039.59
6. Step 6: Final answer
   x = 866,364.53