Finding the Fourth Proportional to 12,470.85, 18,704.61 and 5,075.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,470.85 : 18,704.61 = 5,075.37 : x
2. Step 2: Convert to fraction form
   12,470.85/18,704.61 = 5,075.37/x
3. Step 3: Cross multiply
   12,470.85x = 18,704.61 × 5,075.37
4. Step 4: Simplify right side
   12,470.85x = 94,932,816.46
5. Step 5: Solve for x
   x = 94,932,816.46/12,470.85
6. Step 6: Final answer
   x = 7,612.38