Finding the Fourth Proportional to 96,815.56, 133,619.94 and 59,111.72

Step by Step Solution

1. Step 1: Write the proportion equation
   96,815.56 : 133,619.94 = 59,111.72 : x
2. Step 2: Convert to fraction form
   96,815.56/133,619.94 = 59,111.72/x
3. Step 3: Cross multiply
   96,815.56x = 133,619.94 × 59,111.72
4. Step 4: Simplify right side
   96,815.56x = 7,898,504,479.70
5. Step 5: Solve for x
   x = 7,898,504,479.70/96,815.56
6. Step 6: Final answer
   x = 81,583.01