Finding the Fourth Proportional to 112,083.48, 154,669.62 and 64,335.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,083.48 : 154,669.62 = 64,335.72 : x
2. Step 2: Convert to fraction form
   112,083.48/154,669.62 = 64,335.72/x
3. Step 3: Cross multiply
   112,083.48x = 154,669.62 × 64,335.72
4. Step 4: Simplify right side
   112,083.48x = 9,950,781,364.83
5. Step 5: Solve for x
   x = 9,950,781,364.83/112,083.48
6. Step 6: Final answer
   x = 88,780.09