Finding the Fourth Proportional to 76,472.66, 105,528.70 and 42,483.35

Step by Step Solution

1. Step 1: Write the proportion equation
   76,472.66 : 105,528.70 = 42,483.35 : x
2. Step 2: Convert to fraction form
   76,472.66/105,528.70 = 42,483.35/x
3. Step 3: Cross multiply
   76,472.66x = 105,528.70 × 42,483.35
4. Step 4: Simplify right side
   76,472.66x = 4,483,212,697.15
5. Step 5: Solve for x
   x = 4,483,212,697.15/76,472.66
6. Step 6: Final answer
   x = 58,625.04