Finding the Fourth Proportional to 1,035,296.90, 1,553,820.15 and 404,663.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035,296.90 : 1,553,820.15 = 404,663.30 : x
2. Step 2: Convert to fraction form
   1,035,296.90/1,553,820.15 = 404,663.30/x
3. Step 3: Cross multiply
   1,035,296.90x = 1,553,820.15 × 404,663.30
4. Step 4: Simplify right side
   1,035,296.90x = 628,773,989,505.50
5. Step 5: Solve for x
   x = 628,773,989,505.50/1,035,296.90
6. Step 6: Final answer
   x = 607,336.88