Finding the Fourth Proportional to 116,398.88, 174,819.78 and 72,333.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,398.88 : 174,819.78 = 72,333.56 : x
2. Step 2: Convert to fraction form
   116,398.88/174,819.78 = 72,333.56/x
3. Step 3: Cross multiply
   116,398.88x = 174,819.78 × 72,333.56
4. Step 4: Simplify right side
   116,398.88x = 12,645,337,045.82
5. Step 5: Solve for x
   x = 12,645,337,045.82/116,398.88
6. Step 6: Final answer
   x = 108,637.96