Finding the Fourth Proportional to 42,724.96, 64,096.54 and 14,637.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,724.96 : 64,096.54 = 14,637.48 : x
2. Step 2: Convert to fraction form
   42,724.96/64,096.54 = 14,637.48/x
3. Step 3: Cross multiply
   42,724.96x = 64,096.54 × 14,637.48
4. Step 4: Simplify right side
   42,724.96x = 938,211,822.32
5. Step 5: Solve for x
   x = 938,211,822.32/42,724.96
6. Step 6: Final answer
   x = 21,959.34