Finding the Fourth Proportional to 43,201,068.63, 64,801,665.31 and 17,642,078.03

Step by Step Solution

1. Step 1: Write the proportion equation
   43,201,068.63 : 64,801,665.31 = 17,642,078.03 : x
2. Step 2: Convert to fraction form
   43,201,068.63/64,801,665.31 = 17,642,078.03/x
3. Step 3: Cross multiply
   43,201,068.63x = 64,801,665.31 × 17,642,078.03
4. Step 4: Simplify right side
   43,201,068.63x = 1,143,236,036,023,942
5. Step 5: Solve for x
   x = 1,143,236,036,023,942/43,201,068.63
6. Step 6: Final answer
   x = 26,463,142.52