Finding the Fourth Proportional to 992,422.12, 1,369,854.42 and 562,987.72

Step by Step Solution

1. Step 1: Write the proportion equation
   992,422.12 : 1,369,854.42 = 562,987.72 : x
2. Step 2: Convert to fraction form
   992,422.12/1,369,854.42 = 562,987.72/x
3. Step 3: Cross multiply
   992,422.12x = 1,369,854.42 × 562,987.72
4. Step 4: Simplify right side
   992,422.12x = 771,211,216,647.72
5. Step 5: Solve for x
   x = 771,211,216,647.72/992,422.12
6. Step 6: Final answer
   x = 777,099.99