Finding the Fourth Proportional to 76,441.48, 105,477.82 and 42,901

Step by Step Solution

1. Step 1: Write the proportion equation
   76,441.48 : 105,477.82 = 42,901 : x
2. Step 2: Convert to fraction form
   76,441.48/105,477.82 = 42,901/x
3. Step 3: Cross multiply
   76,441.48x = 105,477.82 × 42,901
4. Step 4: Simplify right side
   76,441.48x = 4,525,103,955.82
5. Step 5: Solve for x
   x = 4,525,103,955.82/76,441.48
6. Step 6: Final answer
   x = 59,196.97