Finding the Fourth Proportional to 81,978.33, 113,130.43 and 46,168.94

Step by Step Solution

1. Step 1: Write the proportion equation
   81,978.33 : 113,130.43 = 46,168.94 : x
2. Step 2: Convert to fraction form
   81,978.33/113,130.43 = 46,168.94/x
3. Step 3: Cross multiply
   81,978.33x = 113,130.43 × 46,168.94
4. Step 4: Simplify right side
   81,978.33x = 5,223,111,890.51
5. Step 5: Solve for x
   x = 5,223,111,890.51/81,978.33
6. Step 6: Final answer
   x = 63,713.33