Finding the Fourth Proportional to 1,132,870.56, 1,699,310.16 and 458,964.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,870.56 : 1,699,310.16 = 458,964.48 : x
2. Step 2: Convert to fraction form
   1,132,870.56/1,699,310.16 = 458,964.48/x
3. Step 3: Cross multiply
   1,132,870.56x = 1,699,310.16 × 458,964.48
4. Step 4: Simplify right side
   1,132,870.56x = 779,923,003,943.12
5. Step 5: Solve for x
   x = 779,923,003,943.12/1,132,870.56
6. Step 6: Final answer
   x = 688,448.47