Finding the Fourth Proportional to 42,994.80, 64,472.76 and 15,293.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,994.80 : 64,472.76 = 15,293.52 : x
2. Step 2: Convert to fraction form
   42,994.80/64,472.76 = 15,293.52/x
3. Step 3: Cross multiply
   42,994.80x = 64,472.76 × 15,293.52
4. Step 4: Simplify right side
   42,994.80x = 986,015,444.52
5. Step 5: Solve for x
   x = 986,015,444.52/42,994.80
6. Step 6: Final answer
   x = 22,933.37