Finding the Fourth Proportional to 76,472.41, 105,528.36 and 42,483.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,472.41 : 105,528.36 = 42,483.10 : x
2. Step 2: Convert to fraction form
   76,472.41/105,528.36 = 42,483.10/x
3. Step 3: Cross multiply
   76,472.41x = 105,528.36 × 42,483.10
4. Step 4: Simplify right side
   76,472.41x = 4,483,171,870.72
5. Step 5: Solve for x
   x = 4,483,171,870.72/76,472.41
6. Step 6: Final answer
   x = 58,624.70