Finding the Fourth Proportional to 42,835.86, 64,282.86 and 15,133.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,835.86 : 64,282.86 = 15,133.86 : x
2. Step 2: Convert to fraction form
   42,835.86/64,282.86 = 15,133.86/x
3. Step 3: Cross multiply
   42,835.86x = 64,282.86 × 15,133.86
4. Step 4: Simplify right side
   42,835.86x = 972,847,803.64
5. Step 5: Solve for x
   x = 972,847,803.64/42,835.86
6. Step 6: Final answer
   x = 22,711.06