Finding the Fourth Proportional to 1,113,834.09, 1,670,483.47 and 514,219.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113,834.09 : 1,670,483.47 = 514,219.31 : x
2. Step 2: Convert to fraction form
   1,113,834.09/1,670,483.47 = 514,219.31/x
3. Step 3: Cross multiply
   1,113,834.09x = 1,670,483.47 × 514,219.31
4. Step 4: Simplify right side
   1,113,834.09x = 858,994,857,309.81
5. Step 5: Solve for x
   x = 858,994,857,309.81/1,113,834.09
6. Step 6: Final answer
   x = 771,205.39