Finding the Fourth Proportional to 76,097.96, 105,015.31 and 42,107.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,097.96 : 105,015.31 = 42,107.88 : x
2. Step 2: Convert to fraction form
   76,097.96/105,015.31 = 42,107.88/x
3. Step 3: Cross multiply
   76,097.96x = 105,015.31 × 42,107.88
4. Step 4: Simplify right side
   76,097.96x = 4,421,972,597.04
5. Step 5: Solve for x
   x = 4,421,972,597.04/76,097.96
6. Step 6: Final answer
   x = 58,108.95