Finding the Fourth Proportional to 76,463.58, 105,516.31 and 42,474.41

Step by Step Solution

1. Step 1: Write the proportion equation
   76,463.58 : 105,516.31 = 42,474.41 : x
2. Step 2: Convert to fraction form
   76,463.58/105,516.31 = 42,474.41/x
3. Step 3: Cross multiply
   76,463.58x = 105,516.31 × 42,474.41
4. Step 4: Simplify right side
   76,463.58x = 4,481,743,012.63
5. Step 5: Solve for x
   x = 4,481,743,012.63/76,463.58
6. Step 6: Final answer
   x = 58,612.78