Finding the Fourth Proportional to 1,527,111.05, 2,290,457.39 and 845,259.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527,111.05 : 2,290,457.39 = 845,259.12 : x
2. Step 2: Convert to fraction form
   1,527,111.05/2,290,457.39 = 845,259.12/x
3. Step 3: Cross multiply
   1,527,111.05x = 2,290,457.39 × 845,259.12
4. Step 4: Simplify right side
   1,527,111.05x = 1,936,029,993,642.60
5. Step 5: Solve for x
   x = 1,936,029,993,642.60/1,527,111.05
6. Step 6: Final answer
   x = 1,267,772.90