Finding the Fourth Proportional to 42,749.81, 64,104.52 and 24,985.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,749.81 : 64,104.52 = 24,985.56 : x
2. Step 2: Convert to fraction form
   42,749.81/64,104.52 = 24,985.56/x
3. Step 3: Cross multiply
   42,749.81x = 64,104.52 × 24,985.56
4. Step 4: Simplify right side
   42,749.81x = 1,601,687,330.73
5. Step 5: Solve for x
   x = 1,601,687,330.73/42,749.81
6. Step 6: Final answer
   x = 37,466.54