Finding the Fourth Proportional to 12,345,606.48, 18,518,411.74 and 5,153,216.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,345,606.48 : 18,518,411.74 = 5,153,216.82 : x
2. Step 2: Convert to fraction form
   12,345,606.48/18,518,411.74 = 5,153,216.82/x
3. Step 3: Cross multiply
   12,345,606.48x = 18,518,411.74 × 5,153,216.82
4. Step 4: Simplify right side
   12,345,606.48x = 95,429,390,858,253.47
5. Step 5: Solve for x
   x = 95,429,390,858,253.47/12,345,606.48
6. Step 6: Final answer
   x = 7,729,826.07