Finding the Fourth Proportional to 76,450.42, 105,498 and 42,461.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,450.42 : 105,498 = 42,461.10 : x
2. Step 2: Convert to fraction form
   76,450.42/105,498 = 42,461.10/x
3. Step 3: Cross multiply
   76,450.42x = 105,498 × 42,461.10
4. Step 4: Simplify right side
   76,450.42x = 4,479,561,127.80
5. Step 5: Solve for x
   x = 4,479,561,127.80/76,450.42
6. Step 6: Final answer
   x = 58,594.33