Finding the Fourth Proportional to 76,472.76, 105,533.76 and 42,484.32

Step by Step Solution

1. Step 1: Write the proportion equation
   76,472.76 : 105,533.76 = 42,484.32 : x
2. Step 2: Convert to fraction form
   76,472.76/105,533.76 = 42,484.32/x
3. Step 3: Cross multiply
   76,472.76x = 105,533.76 × 42,484.32
4. Step 4: Simplify right side
   76,472.76x = 4,483,530,030.64
5. Step 5: Solve for x
   x = 4,483,530,030.64/76,472.76
6. Step 6: Final answer
   x = 58,629.11