Finding the Fourth Proportional to 375,692.56, 518,533.98 and 345,429.74

Step by Step Solution

1. Step 1: Write the proportion equation
   375,692.56 : 518,533.98 = 345,429.74 : x
2. Step 2: Convert to fraction form
   375,692.56/518,533.98 = 345,429.74/x
3. Step 3: Cross multiply
   375,692.56x = 518,533.98 × 345,429.74
4. Step 4: Simplify right side
   375,692.56x = 179,117,057,892.57
5. Step 5: Solve for x
   x = 179,117,057,892.57/375,692.56
6. Step 6: Final answer
   x = 476,764.99