Finding the Fourth Proportional to 845,488.72, 1,166,761 and 463,518.12

Step by Step Solution

1. Step 1: Write the proportion equation
   845,488.72 : 1,166,761 = 463,518.12 : x
2. Step 2: Convert to fraction form
   845,488.72/1,166,761 = 463,518.12/x
3. Step 3: Cross multiply
   845,488.72x = 1,166,761 × 463,518.12
4. Step 4: Simplify right side
   845,488.72x = 540,814,865,209.32
5. Step 5: Solve for x
   x = 540,814,865,209.32/845,488.72
6. Step 6: Final answer
   x = 639,647.64