Finding the Fourth Proportional to 789,900.12, 1,090,057.23 and 427,322.52

Step by Step Solution

1. Step 1: Write the proportion equation
   789,900.12 : 1,090,057.23 = 427,322.52 : x
2. Step 2: Convert to fraction form
   789,900.12/1,090,057.23 = 427,322.52/x
3. Step 3: Cross multiply
   789,900.12x = 1,090,057.23 × 427,322.52
4. Step 4: Simplify right side
   789,900.12x = 465,806,002,467.82
5. Step 5: Solve for x
   x = 465,806,002,467.82/789,900.12
6. Step 6: Final answer
   x = 589,702.41