Finding the Fourth Proportional to 12,321,697.47, 18,478,615.71 and 4,232,722.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,321,697.47 : 18,478,615.71 = 4,232,722.59 : x
2. Step 2: Convert to fraction form
   12,321,697.47/18,478,615.71 = 4,232,722.59/x
3. Step 3: Cross multiply
   12,321,697.47x = 18,478,615.71 × 4,232,722.59
4. Step 4: Simplify right side
   12,321,697.47x = 78,214,854,147,645.89
5. Step 5: Solve for x
   x = 78,214,854,147,645.89/12,321,697.47
6. Step 6: Final answer
   x = 6,347,733.69