Finding the Fourth Proportional to 1,870,856.37, 2,806,259.94 and 450,900.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,856.37 : 2,806,259.94 = 450,900.15 : x
2. Step 2: Convert to fraction form
   1,870,856.37/2,806,259.94 = 450,900.15/x
3. Step 3: Cross multiply
   1,870,856.37x = 2,806,259.94 × 450,900.15
4. Step 4: Simplify right side
   1,870,856.37x = 1,265,343,027,884.99
5. Step 5: Solve for x
   x = 1,265,343,027,884.99/1,870,856.37
6. Step 6: Final answer
   x = 676,344.29