Finding the Fourth Proportional to 675,875.01, 932,644.31 and 403,888.89

Step by Step Solution

1. Step 1: Write the proportion equation
   675,875.01 : 932,644.31 = 403,888.89 : x
2. Step 2: Convert to fraction form
   675,875.01/932,644.31 = 403,888.89/x
3. Step 3: Cross multiply
   675,875.01x = 932,644.31 × 403,888.89
4. Step 4: Simplify right side
   675,875.01x = 376,684,673,111.27
5. Step 5: Solve for x
   x = 376,684,673,111.27/675,875.01
6. Step 6: Final answer
   x = 557,328.90