Finding the Fourth Proportional to 81,928.19, 113,060.61 and 46,118.30

Step by Step Solution

1. Step 1: Write the proportion equation
   81,928.19 : 113,060.61 = 46,118.30 : x
2. Step 2: Convert to fraction form
   81,928.19/113,060.61 = 46,118.30/x
3. Step 3: Cross multiply
   81,928.19x = 113,060.61 × 46,118.30
4. Step 4: Simplify right side
   81,928.19x = 5,214,162,564.86
5. Step 5: Solve for x
   x = 5,214,162,564.86/81,928.19
6. Step 6: Final answer
   x = 63,643.08