Finding the Fourth Proportional to 76,729.32, 105,886.78 and 44,892.07

Step by Step Solution

1. Step 1: Write the proportion equation
   76,729.32 : 105,886.78 = 44,892.07 : x
2. Step 2: Convert to fraction form
   76,729.32/105,886.78 = 44,892.07/x
3. Step 3: Cross multiply
   76,729.32x = 105,886.78 × 44,892.07
4. Step 4: Simplify right side
   76,729.32x = 4,753,476,362.89
5. Step 5: Solve for x
   x = 4,753,476,362.89/76,729.32
6. Step 6: Final answer
   x = 61,951.24