Finding the Fourth Proportional to 76,078.10, 114,123.83 and 19,917.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,078.10 : 114,123.83 = 19,917.96 : x
2. Step 2: Convert to fraction form
   76,078.10/114,123.83 = 19,917.96/x
3. Step 3: Cross multiply
   76,078.10x = 114,123.83 × 19,917.96
4. Step 4: Simplify right side
   76,078.10x = 2,273,113,781.40
5. Step 5: Solve for x
   x = 2,273,113,781.40/76,078.10
6. Step 6: Final answer
   x = 29,878.69