Finding the Fourth Proportional to 21,928,267.16, 32,924,735.54 and 12,231,826.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,928,267.16 : 32,924,735.54 = 12,231,826.01 : x
2. Step 2: Convert to fraction form
   21,928,267.16/32,924,735.54 = 12,231,826.01/x
3. Step 3: Cross multiply
   21,928,267.16x = 32,924,735.54 × 12,231,826.01
4. Step 4: Simplify right side
   21,928,267.16x = 402,729,636,550,543.38
5. Step 5: Solve for x
   x = 402,729,636,550,543.38/21,928,267.16
6. Step 6: Final answer
   x = 18,365,775.72