Finding the Fourth Proportional to 14,188,651.47, 19,580,338.69 and 7,662,280.39

Step by Step Solution

1. Step 1: Write the proportion equation
   14,188,651.47 : 19,580,338.69 = 7,662,280.39 : x
2. Step 2: Convert to fraction form
   14,188,651.47/19,580,338.69 = 7,662,280.39/x
3. Step 3: Cross multiply
   14,188,651.47x = 19,580,338.69 × 7,662,280.39
4. Step 4: Simplify right side
   14,188,651.47x = 150,030,045,173,945.28
5. Step 5: Solve for x
   x = 150,030,045,173,945.28/14,188,651.47
6. Step 6: Final answer
   x = 10,573,946.76