Finding the Fourth Proportional to 22,456,090.96, 30,989,383.36 and 12,142,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,456,090.96 : 30,989,383.36 = 12,142,789.48 : x
2. Step 2: Convert to fraction form
   22,456,090.96/30,989,383.36 = 12,142,789.48/x
3. Step 3: Cross multiply
   22,456,090.96x = 30,989,383.36 × 12,142,789.48
4. Step 4: Simplify right side
   22,456,090.96x = 376,297,558,255,495.06
5. Step 5: Solve for x
   x = 376,297,558,255,495.06/22,456,090.96
6. Step 6: Final answer
   x = 16,757,037.50