Finding the Fourth Proportional to 827,516, 1,141,973.16 and 469,820

Step by Step Solution

1. Step 1: Write the proportion equation
   827,516 : 1,141,973.16 = 469,820 : x
2. Step 2: Convert to fraction form
   827,516/1,141,973.16 = 469,820/x
3. Step 3: Cross multiply
   827,516x = 1,141,973.16 × 469,820
4. Step 4: Simplify right side
   827,516x = 536,521,830,031.20
5. Step 5: Solve for x
   x = 536,521,830,031.20/827,516
6. Step 6: Final answer
   x = 648,352.21