Finding the Fourth Proportional to 140,278.72, 193,577.52 and 76,604.32

Step by Step Solution

1. Step 1: Write the proportion equation
   140,278.72 : 193,577.52 = 76,604.32 : x
2. Step 2: Convert to fraction form
   140,278.72/193,577.52 = 76,604.32/x
3. Step 3: Cross multiply
   140,278.72x = 193,577.52 × 76,604.32
4. Step 4: Simplify right side
   140,278.72x = 14,828,874,286.89
5. Step 5: Solve for x
   x = 14,828,874,286.89/140,278.72
6. Step 6: Final answer
   x = 105,710.08