Finding the Fourth Proportional to 789,961.50, 1,090,147.59 and 432,265.50

Step by Step Solution

1. Step 1: Write the proportion equation
   789,961.50 : 1,090,147.59 = 432,265.50 : x
2. Step 2: Convert to fraction form
   789,961.50/1,090,147.59 = 432,265.50/x
3. Step 3: Cross multiply
   789,961.50x = 1,090,147.59 × 432,265.50
4. Step 4: Simplify right side
   789,961.50x = 471,233,193,065.15
5. Step 5: Solve for x
   x = 471,233,193,065.15/789,961.50
6. Step 6: Final answer
   x = 596,526.78