Finding the Fourth Proportional to 107,212.72, 147,940.86 and 59,454.40

Step by Step Solution

1. Step 1: Write the proportion equation
   107,212.72 : 147,940.86 = 59,454.40 : x
2. Step 2: Convert to fraction form
   107,212.72/147,940.86 = 59,454.40/x
3. Step 3: Cross multiply
   107,212.72x = 147,940.86 × 59,454.40
4. Step 4: Simplify right side
   107,212.72x = 8,795,735,066.78
5. Step 5: Solve for x
   x = 8,795,735,066.78/107,212.72
6. Step 6: Final answer
   x = 82,040.03