Finding the Fourth Proportional to 1,087,770.27, 1,501,034.96 and 628,914.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,770.27 : 1,501,034.96 = 628,914.28 : x
2. Step 2: Convert to fraction form
   1,087,770.27/1,501,034.96 = 628,914.28/x
3. Step 3: Cross multiply
   1,087,770.27x = 1,501,034.96 × 628,914.28
4. Step 4: Simplify right side
   1,087,770.27x = 944,022,320,819.22
5. Step 5: Solve for x
   x = 944,022,320,819.22/1,087,770.27
6. Step 6: Final answer
   x = 867,850.82