Finding the Fourth Proportional to 510,061.98, 703,857.34 and 283,692.90

Step by Step Solution

1. Step 1: Write the proportion equation
   510,061.98 : 703,857.34 = 283,692.90 : x
2. Step 2: Convert to fraction form
   510,061.98/703,857.34 = 283,692.90/x
3. Step 3: Cross multiply
   510,061.98x = 703,857.34 × 283,692.90
4. Step 4: Simplify right side
   510,061.98x = 199,679,329,970.89
5. Step 5: Solve for x
   x = 199,679,329,970.89/510,061.98
6. Step 6: Final answer
   x = 391,480.52