Finding the Fourth Proportional to 42,743.51, 64,133.72 and 23,018.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,743.51 : 64,133.72 = 23,018.13 : x
2. Step 2: Convert to fraction form
   42,743.51/64,133.72 = 23,018.13/x
3. Step 3: Cross multiply
   42,743.51x = 64,133.72 × 23,018.13
4. Step 4: Simplify right side
   42,743.51x = 1,476,238,189.25
5. Step 5: Solve for x
   x = 1,476,238,189.25/42,743.51
6. Step 6: Final answer
   x = 34,537.13