Finding the Fourth Proportional to 76,917.57, 106,150.40 and 45,096.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,917.57 : 106,150.40 = 45,096.72 : x
2. Step 2: Convert to fraction form
   76,917.57/106,150.40 = 45,096.72/x
3. Step 3: Cross multiply
   76,917.57x = 106,150.40 × 45,096.72
4. Step 4: Simplify right side
   76,917.57x = 4,787,034,641.20
5. Step 5: Solve for x
   x = 4,787,034,641.20/76,917.57
6. Step 6: Final answer
   x = 62,235.91