Finding the Fourth Proportional to 112,576.06, 168,764.73 and 42,406.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,576.06 : 168,764.73 = 42,406.30 : x
2. Step 2: Convert to fraction form
   112,576.06/168,764.73 = 42,406.30/x
3. Step 3: Cross multiply
   112,576.06x = 168,764.73 × 42,406.30
4. Step 4: Simplify right side
   112,576.06x = 7,156,687,769.80
5. Step 5: Solve for x
   x = 7,156,687,769.80/112,576.06
6. Step 6: Final answer
   x = 63,572.02