Finding the Fourth Proportional to 76,476.42, 105,537.96 and 42,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,476.42 : 105,537.96 = 42,484.50 : x
2. Step 2: Convert to fraction form
   76,476.42/105,537.96 = 42,484.50/x
3. Step 3: Cross multiply
   76,476.42x = 105,537.96 × 42,484.50
4. Step 4: Simplify right side
   76,476.42x = 4,483,727,461.62
5. Step 5: Solve for x
   x = 4,483,727,461.62/76,476.42
6. Step 6: Final answer
   x = 58,628.89