Finding the Fourth Proportional to 808,916.84, 1,116,404 and 464,752

Step by Step Solution

1. Step 1: Write the proportion equation
   808,916.84 : 1,116,404 = 464,752 : x
2. Step 2: Convert to fraction form
   808,916.84/1,116,404 = 464,752/x
3. Step 3: Cross multiply
   808,916.84x = 1,116,404 × 464,752
4. Step 4: Simplify right side
   808,916.84x = 518,850,991,808
5. Step 5: Solve for x
   x = 518,850,991,808/808,916.84
6. Step 6: Final answer
   x = 641,414.50