Finding the Fourth Proportional to 1,359,779.37, 2,039,447.32 and 400,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,779.37 : 2,039,447.32 = 400,010.50 : x
2. Step 2: Convert to fraction form
   1,359,779.37/2,039,447.32 = 400,010.50/x
3. Step 3: Cross multiply
   1,359,779.37x = 2,039,447.32 × 400,010.50
4. Step 4: Simplify right side
   1,359,779.37x = 815,800,342,196.86
5. Step 5: Solve for x
   x = 815,800,342,196.86/1,359,779.37
6. Step 6: Final answer
   x = 599,950.52