Finding the Fourth Proportional to 52,478.94, 78,692.49 and 17,406.75

Step by Step Solution

1. Step 1: Write the proportion equation
   52,478.94 : 78,692.49 = 17,406.75 : x
2. Step 2: Convert to fraction form
   52,478.94/78,692.49 = 17,406.75/x
3. Step 3: Cross multiply
   52,478.94x = 78,692.49 × 17,406.75
4. Step 4: Simplify right side
   52,478.94x = 1,369,780,500.31
5. Step 5: Solve for x
   x = 1,369,780,500.31/52,478.94
6. Step 6: Final answer
   x = 26,101.53