Finding the Fourth Proportional to 1,413,200.01, 2,119,749.89 and 402,327.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413,200.01 : 2,119,749.89 = 402,327.30 : x
2. Step 2: Convert to fraction form
   1,413,200.01/2,119,749.89 = 402,327.30/x
3. Step 3: Cross multiply
   1,413,200.01x = 2,119,749.89 × 402,327.30
4. Step 4: Simplify right side
   1,413,200.01x = 852,833,249,919.00
5. Step 5: Solve for x
   x = 852,833,249,919.00/1,413,200.01
6. Step 6: Final answer
   x = 603,476.68