Finding the Fourth Proportional to 347,603.50, 479,692.83 and 188,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   347,603.50 : 479,692.83 = 188,627.50 : x
2. Step 2: Convert to fraction form
   347,603.50/479,692.83 = 188,627.50/x
3. Step 3: Cross multiply
   347,603.50x = 479,692.83 × 188,627.50
4. Step 4: Simplify right side
   347,603.50x = 90,483,259,290.83
5. Step 5: Solve for x
   x = 90,483,259,290.83/347,603.50
6. Step 6: Final answer
   x = 260,305.95