Finding the Fourth Proportional to 81,751.72, 122,472.06 and 46,584.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,751.72 : 122,472.06 = 46,584.76 : x
2. Step 2: Convert to fraction form
   81,751.72/122,472.06 = 46,584.76/x
3. Step 3: Cross multiply
   81,751.72x = 122,472.06 × 46,584.76
4. Step 4: Simplify right side
   81,751.72x = 5,705,331,521.81
5. Step 5: Solve for x
   x = 5,705,331,521.81/81,751.72
6. Step 6: Final answer
   x = 69,788.52