Finding the Fourth Proportional to 12,686,339.48, 19,025,244.50 and 4,597,621.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,686,339.48 : 19,025,244.50 = 4,597,621.56 : x
2. Step 2: Convert to fraction form
   12,686,339.48/19,025,244.50 = 4,597,621.56/x
3. Step 3: Cross multiply
   12,686,339.48x = 19,025,244.50 × 4,597,621.56
4. Step 4: Simplify right side
   12,686,339.48x = 87,470,874,274,483.31
5. Step 5: Solve for x
   x = 87,470,874,274,483.31/12,686,339.48
6. Step 6: Final answer
   x = 6,894,886.78