Finding the Fourth Proportional to 76,487.46, 105,555.88 and 42,495.82

Step by Step Solution

1. Step 1: Write the proportion equation
   76,487.46 : 105,555.88 = 42,495.82 : x
2. Step 2: Convert to fraction form
   76,487.46/105,555.88 = 42,495.82/x
3. Step 3: Cross multiply
   76,487.46x = 105,555.88 × 42,495.82
4. Step 4: Simplify right side
   76,487.46x = 4,485,683,676.42
5. Step 5: Solve for x
   x = 4,485,683,676.42/76,487.46
6. Step 6: Final answer
   x = 58,646.00