Finding the Fourth Proportional to 13,365,131.83, 18,443,889.47 and 7,253,560.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,365,131.83 : 18,443,889.47 = 7,253,560.33 : x
2. Step 2: Convert to fraction form
   13,365,131.83/18,443,889.47 = 7,253,560.33/x
3. Step 3: Cross multiply
   13,365,131.83x = 18,443,889.47 × 7,253,560.33
4. Step 4: Simplify right side
   13,365,131.83x = 133,783,864,962,520.89
5. Step 5: Solve for x
   x = 133,783,864,962,520.89/13,365,131.83
6. Step 6: Final answer
   x = 10,009,917.35