Finding the Fourth Proportional to 1,123,669.90, 1,685,554.05 and 325,032.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,669.90 : 1,685,554.05 = 325,032.18 : x
2. Step 2: Convert to fraction form
   1,123,669.90/1,685,554.05 = 325,032.18/x
3. Step 3: Cross multiply
   1,123,669.90x = 1,685,554.05 × 325,032.18
4. Step 4: Simplify right side
   1,123,669.90x = 547,859,307,379.33
5. Step 5: Solve for x
   x = 547,859,307,379.33/1,123,669.90
6. Step 6: Final answer
   x = 487,562.50