Finding the Fourth Proportional to 76,406.10, 105,445.18 and 44,142.06

Step by Step Solution

1. Step 1: Write the proportion equation
   76,406.10 : 105,445.18 = 44,142.06 : x
2. Step 2: Convert to fraction form
   76,406.10/105,445.18 = 44,142.06/x
3. Step 3: Cross multiply
   76,406.10x = 105,445.18 × 44,142.06
4. Step 4: Simplify right side
   76,406.10x = 4,654,567,462.27
5. Step 5: Solve for x
   x = 4,654,567,462.27/76,406.10
6. Step 6: Final answer
   x = 60,918.79