Finding the Fourth Proportional to 49,345.61, 68,030.28 and 42,616.94

Step by Step Solution

1. Step 1: Write the proportion equation
   49,345.61 : 68,030.28 = 42,616.94 : x
2. Step 2: Convert to fraction form
   49,345.61/68,030.28 = 42,616.94/x
3. Step 3: Cross multiply
   49,345.61x = 68,030.28 × 42,616.94
4. Step 4: Simplify right side
   49,345.61x = 2,899,242,020.79
5. Step 5: Solve for x
   x = 2,899,242,020.79/49,345.61
6. Step 6: Final answer
   x = 58,753.80