Finding the Fourth Proportional to 76,464.82, 105,520.04 and 42,471.95

Step by Step Solution

1. Step 1: Write the proportion equation
   76,464.82 : 105,520.04 = 42,471.95 : x
2. Step 2: Convert to fraction form
   76,464.82/105,520.04 = 42,471.95/x
3. Step 3: Cross multiply
   76,464.82x = 105,520.04 × 42,471.95
4. Step 4: Simplify right side
   76,464.82x = 4,481,641,914.32
5. Step 5: Solve for x
   x = 4,481,641,914.32/76,464.82
6. Step 6: Final answer
   x = 58,610.51