Finding the Fourth Proportional to 76,196.98, 105,151.72 and 42,205.46

Step by Step Solution

1. Step 1: Write the proportion equation
   76,196.98 : 105,151.72 = 42,205.46 : x
2. Step 2: Convert to fraction form
   76,196.98/105,151.72 = 42,205.46/x
3. Step 3: Cross multiply
   76,196.98x = 105,151.72 × 42,205.46
4. Step 4: Simplify right side
   76,196.98x = 4,437,976,160.25
5. Step 5: Solve for x
   x = 4,437,976,160.25/76,196.98
6. Step 6: Final answer
   x = 58,243.47