Finding the Fourth Proportional to 76,456.59, 105,506.49 and 42,467.27

Step by Step Solution

1. Step 1: Write the proportion equation
   76,456.59 : 105,506.49 = 42,467.27 : x
2. Step 2: Convert to fraction form
   76,456.59/105,506.49 = 42,467.27/x
3. Step 3: Cross multiply
   76,456.59x = 105,506.49 × 42,467.27
4. Step 4: Simplify right side
   76,456.59x = 4,480,572,070.05
5. Step 5: Solve for x
   x = 4,480,572,070.05/76,456.59
6. Step 6: Final answer
   x = 58,602.82