Finding the Fourth Proportional to 687,404.10, 1,029,032.55 and 604,460.10

Step by Step Solution

1. Step 1: Write the proportion equation
   687,404.10 : 1,029,032.55 = 604,460.10 : x
2. Step 2: Convert to fraction form
   687,404.10/1,029,032.55 = 604,460.10/x
3. Step 3: Cross multiply
   687,404.10x = 1,029,032.55 × 604,460.10
4. Step 4: Simplify right side
   687,404.10x = 622,009,118,076.26
5. Step 5: Solve for x
   x = 622,009,118,076.26/687,404.10
6. Step 6: Final answer
   x = 904,866.76