Finding the Fourth Proportional to 1,435,078, 1,980,318.54 and 790,462.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,078 : 1,980,318.54 = 790,462.18 : x
2. Step 2: Convert to fraction form
   1,435,078/1,980,318.54 = 790,462.18/x
3. Step 3: Cross multiply
   1,435,078x = 1,980,318.54 × 790,462.18
4. Step 4: Simplify right side
   1,435,078x = 1,565,366,910,222.82
5. Step 5: Solve for x
   x = 1,565,366,910,222.82/1,435,078
6. Step 6: Final answer
   x = 1,090,788.73