Finding the Fourth Proportional to 1,147,066.63, 1,582,992.59 and 630,860.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,066.63 : 1,582,992.59 = 630,860.45 : x
2. Step 2: Convert to fraction form
   1,147,066.63/1,582,992.59 = 630,860.45/x
3. Step 3: Cross multiply
   1,147,066.63x = 1,582,992.59 × 630,860.45
4. Step 4: Simplify right side
   1,147,066.63x = 998,647,417,674.07
5. Step 5: Solve for x
   x = 998,647,417,674.07/1,147,066.63
6. Step 6: Final answer
   x = 870,609.77