Finding the Fourth Proportional to 1,591,105.61, 2,385,918.47 and 579,523.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,105.61 : 2,385,918.47 = 579,523.34 : x
2. Step 2: Convert to fraction form
   1,591,105.61/2,385,918.47 = 579,523.34/x
3. Step 3: Cross multiply
   1,591,105.61x = 2,385,918.47 × 579,523.34
4. Step 4: Simplify right side
   1,591,105.61x = 1,382,695,425,874.88
5. Step 5: Solve for x
   x = 1,382,695,425,874.88/1,591,105.61
6. Step 6: Final answer
   x = 869,015.50