Finding the Fourth Proportional to 81,945.68, 113,091.59 and 46,133.55

Step by Step Solution

1. Step 1: Write the proportion equation
   81,945.68 : 113,091.59 = 46,133.55 : x
2. Step 2: Convert to fraction form
   81,945.68/113,091.59 = 46,133.55/x
3. Step 3: Cross multiply
   81,945.68x = 113,091.59 × 46,133.55
4. Step 4: Simplify right side
   81,945.68x = 5,217,316,637.18
5. Step 5: Solve for x
   x = 5,217,316,637.18/81,945.68
6. Step 6: Final answer
   x = 63,667.99