Finding the Fourth Proportional to 49,461.61, 68,219.34 and 42,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,461.61 : 68,219.34 = 42,574.50 : x
2. Step 2: Convert to fraction form
   49,461.61/68,219.34 = 42,574.50/x
3. Step 3: Cross multiply
   49,461.61x = 68,219.34 × 42,574.50
4. Step 4: Simplify right side
   49,461.61x = 2,904,404,290.83
5. Step 5: Solve for x
   x = 2,904,404,290.83/49,461.61
6. Step 6: Final answer
   x = 58,720.38