Finding the Fourth Proportional to 81,920.46, 113,061.12 and 46,117.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,920.46 : 113,061.12 = 46,117.52 : x
2. Step 2: Convert to fraction form
   81,920.46/113,061.12 = 46,117.52/x
3. Step 3: Cross multiply
   81,920.46x = 113,061.12 × 46,117.52
4. Step 4: Simplify right side
   81,920.46x = 5,214,098,462.82
5. Step 5: Solve for x
   x = 5,214,098,462.82/81,920.46
6. Step 6: Final answer
   x = 63,648.31