Finding the Fourth Proportional to 21,854,581.92, 30,158,533.01 and 12,064,816.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,854,581.92 : 30,158,533.01 = 12,064,816.31 : x
2. Step 2: Convert to fraction form
   21,854,581.92/30,158,533.01 = 12,064,816.31/x
3. Step 3: Cross multiply
   21,854,581.92x = 30,158,533.01 × 12,064,816.31
4. Step 4: Simplify right side
   21,854,581.92x = 363,857,160,824,090.75
5. Step 5: Solve for x
   x = 363,857,160,824,090.75/21,854,581.92
6. Step 6: Final answer
   x = 16,649,010.36