Finding the Fourth Proportional to 52,504.15, 78,756.06 and 13,061.26

Step by Step Solution

1. Step 1: Write the proportion equation
   52,504.15 : 78,756.06 = 13,061.26 : x
2. Step 2: Convert to fraction form
   52,504.15/78,756.06 = 13,061.26/x
3. Step 3: Cross multiply
   52,504.15x = 78,756.06 × 13,061.26
4. Step 4: Simplify right side
   52,504.15x = 1,028,653,310.93
5. Step 5: Solve for x
   x = 1,028,653,310.93/52,504.15
6. Step 6: Final answer
   x = 19,591.85