Finding the Fourth Proportional to 52,834.77, 79,251.50 and 12,853.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,834.77 : 79,251.50 = 12,853.98 : x
2. Step 2: Convert to fraction form
   52,834.77/79,251.50 = 12,853.98/x
3. Step 3: Cross multiply
   52,834.77x = 79,251.50 × 12,853.98
4. Step 4: Simplify right side
   52,834.77x = 1,018,697,131.70
5. Step 5: Solve for x
   x = 1,018,697,131.70/52,834.77
6. Step 6: Final answer
   x = 19,280.81