Finding the Fourth Proportional to 42,946.48, 59,293.98 and 27,639.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,946.48 : 59,293.98 = 27,639.89 : x
2. Step 2: Convert to fraction form
   42,946.48/59,293.98 = 27,639.89/x
3. Step 3: Cross multiply
   42,946.48x = 59,293.98 × 27,639.89
4. Step 4: Simplify right side
   42,946.48x = 1,638,878,650.19
5. Step 5: Solve for x
   x = 1,638,878,650.19/42,946.48
6. Step 6: Final answer
   x = 38,160.95