Finding the Fourth Proportional to 52,637.16, 72,686.52 and 48,963

Step by Step Solution

1. Step 1: Write the proportion equation
   52,637.16 : 72,686.52 = 48,963 : x
2. Step 2: Convert to fraction form
   52,637.16/72,686.52 = 48,963/x
3. Step 3: Cross multiply
   52,637.16x = 72,686.52 × 48,963
4. Step 4: Simplify right side
   52,637.16x = 3,558,950,078.76
5. Step 5: Solve for x
   x = 3,558,950,078.76/52,637.16
6. Step 6: Final answer
   x = 67,612.88