Finding the Fourth Proportional to 16,470,783.72, 22,729,683.72 and 9,129,090.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,470,783.72 : 22,729,683.72 = 9,129,090.33 : x
2. Step 2: Convert to fraction form
   16,470,783.72/22,729,683.72 = 9,129,090.33/x
3. Step 3: Cross multiply
   16,470,783.72x = 22,729,683.72 × 9,129,090.33
4. Step 4: Simplify right side
   16,470,783.72x = 207,501,335,852,210.41
5. Step 5: Solve for x
   x = 207,501,335,852,210.41/16,470,783.72
6. Step 6: Final answer
   x = 12,598,145.87