Finding the Fourth Proportional to 107,137.89, 147,971.34 and 73,087.92

Step by Step Solution

1. Step 1: Write the proportion equation
   107,137.89 : 147,971.34 = 73,087.92 : x
2. Step 2: Convert to fraction form
   107,137.89/147,971.34 = 73,087.92/x
3. Step 3: Cross multiply
   107,137.89x = 147,971.34 × 73,087.92
4. Step 4: Simplify right side
   107,137.89x = 10,814,917,460.21
5. Step 5: Solve for x
   x = 10,814,917,460.21/107,137.89
6. Step 6: Final answer
   x = 100,943.91