Finding the Fourth Proportional to 1,427,114.00, 2,140,559.30 and 402,402.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,114.00 : 2,140,559.30 = 402,402.89 : x
2. Step 2: Convert to fraction form
   1,427,114.00/2,140,559.30 = 402,402.89/x
3. Step 3: Cross multiply
   1,427,114.00x = 2,140,559.30 × 402,402.89
4. Step 4: Simplify right side
   1,427,114.00x = 861,367,238,839.59
5. Step 5: Solve for x
   x = 861,367,238,839.59/1,427,114.00
6. Step 6: Final answer
   x = 603,572.83