Finding the Fourth Proportional to 715,566.06, 987,069.98 and 446,827.50

Step by Step Solution

1. Step 1: Write the proportion equation
   715,566.06 : 987,069.98 = 446,827.50 : x
2. Step 2: Convert to fraction form
   715,566.06/987,069.98 = 446,827.50/x
3. Step 3: Cross multiply
   715,566.06x = 987,069.98 × 446,827.50
4. Step 4: Simplify right side
   715,566.06x = 441,050,012,605.52
5. Step 5: Solve for x
   x = 441,050,012,605.52/715,566.06
6. Step 6: Final answer
   x = 616,365.19