Finding the Fourth Proportional to 76,098.98, 105,007.59 and 42,102.97

Step by Step Solution

1. Step 1: Write the proportion equation
   76,098.98 : 105,007.59 = 42,102.97 : x
2. Step 2: Convert to fraction form
   76,098.98/105,007.59 = 42,102.97/x
3. Step 3: Cross multiply
   76,098.98x = 105,007.59 × 42,102.97
4. Step 4: Simplify right side
   76,098.98x = 4,421,131,411.54
5. Step 5: Solve for x
   x = 4,421,131,411.54/76,098.98
6. Step 6: Final answer
   x = 58,097.12