Finding the Fourth Proportional to 766,953.87, 1,058,401.59 and 427,443.99

Step by Step Solution

1. Step 1: Write the proportion equation
   766,953.87 : 1,058,401.59 = 427,443.99 : x
2. Step 2: Convert to fraction form
   766,953.87/1,058,401.59 = 427,443.99/x
3. Step 3: Cross multiply
   766,953.87x = 1,058,401.59 × 427,443.99
4. Step 4: Simplify right side
   766,953.87x = 452,407,391,222.72
5. Step 5: Solve for x
   x = 452,407,391,222.72/766,953.87
6. Step 6: Final answer
   x = 589,875.63