Finding the Fourth Proportional to 16,005,693.42, 22,089,959.55 and 9,128,599.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,005,693.42 : 22,089,959.55 = 9,128,599.02 : x
2. Step 2: Convert to fraction form
   16,005,693.42/22,089,959.55 = 9,128,599.02/x
3. Step 3: Cross multiply
   16,005,693.42x = 22,089,959.55 × 9,128,599.02
4. Step 4: Simplify right side
   16,005,693.42x = 201,650,383,099,969.62
5. Step 5: Solve for x
   x = 201,650,383,099,969.62/16,005,693.42
6. Step 6: Final answer
   x = 12,598,665.85