Finding the Fourth Proportional to 76,076.76, 104,977.86 and 42,079.86

Step by Step Solution

1. Step 1: Write the proportion equation
   76,076.76 : 104,977.86 = 42,079.86 : x
2. Step 2: Convert to fraction form
   76,076.76/104,977.86 = 42,079.86/x
3. Step 3: Cross multiply
   76,076.76x = 104,977.86 × 42,079.86
4. Step 4: Simplify right side
   76,076.76x = 4,417,453,651.90
5. Step 5: Solve for x
   x = 4,417,453,651.90/76,076.76
6. Step 6: Final answer
   x = 58,065.74