Finding the Fourth Proportional to 52,436.88, 78,638.52 and 17,369.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,436.88 : 78,638.52 = 17,369.04 : x
2. Step 2: Convert to fraction form
   52,436.88/78,638.52 = 17,369.04/x
3. Step 3: Cross multiply
   52,436.88x = 78,638.52 × 17,369.04
4. Step 4: Simplify right side
   52,436.88x = 1,365,875,599.42
5. Step 5: Solve for x
   x = 1,365,875,599.42/52,436.88
6. Step 6: Final answer
   x = 26,048.00