Finding the Fourth Proportional to 81,991.10, 113,158.41 and 46,188.02

Step by Step Solution

1. Step 1: Write the proportion equation
   81,991.10 : 113,158.41 = 46,188.02 : x
2. Step 2: Convert to fraction form
   81,991.10/113,158.41 = 46,188.02/x
3. Step 3: Cross multiply
   81,991.10x = 113,158.41 × 46,188.02
4. Step 4: Simplify right side
   81,991.10x = 5,226,562,904.25
5. Step 5: Solve for x
   x = 5,226,562,904.25/81,991.10
6. Step 6: Final answer
   x = 63,745.49