Finding the Fourth Proportional to 43,308,800.16, 64,941,942.56 and 21,423,893.76

Step by Step Solution

1. Step 1: Write the proportion equation
   43,308,800.16 : 64,941,942.56 = 21,423,893.76 : x
2. Step 2: Convert to fraction form
   43,308,800.16/64,941,942.56 = 21,423,893.76/x
3. Step 3: Cross multiply
   43,308,800.16x = 64,941,942.56 × 21,423,893.76
4. Step 4: Simplify right side
   43,308,800.16x = 1,391,309,277,973,462.50
5. Step 5: Solve for x
   x = 1,391,309,277,973,462.50/43,308,800.16
6. Step 6: Final answer
   x = 32,125,324.94