Finding the Fourth Proportional to 16,128,435.79, 24,152,820.22 and 12,019,904.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,128,435.79 : 24,152,820.22 = 12,019,904.79 : x
2. Step 2: Convert to fraction form
   16,128,435.79/24,152,820.22 = 12,019,904.79/x
3. Step 3: Cross multiply
   16,128,435.79x = 24,152,820.22 × 12,019,904.79
4. Step 4: Simplify right side
   16,128,435.79x = 290,314,599,311,226.69
5. Step 5: Solve for x
   x = 290,314,599,311,226.69/16,128,435.79
6. Step 6: Final answer
   x = 18,000,170.82