Finding the Fourth Proportional to 1,046,020.00, 1,568,420.34 and 405,575.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046,020.00 : 1,568,420.34 = 405,575.53 : x
2. Step 2: Convert to fraction form
   1,046,020.00/1,568,420.34 = 405,575.53/x
3. Step 3: Cross multiply
   1,046,020.00x = 1,568,420.34 × 405,575.53
4. Step 4: Simplify right side
   1,046,020.00x = 636,112,911,097.90
5. Step 5: Solve for x
   x = 636,112,911,097.90/1,046,020.00
6. Step 6: Final answer
   x = 608,126.91