Finding the Fourth Proportional to 69,658.32, 96,178.56 and 42,836.88

Step by Step Solution

1. Step 1: Write the proportion equation
   69,658.32 : 96,178.56 = 42,836.88 : x
2. Step 2: Convert to fraction form
   69,658.32/96,178.56 = 42,836.88/x
3. Step 3: Cross multiply
   69,658.32x = 96,178.56 × 42,836.88
4. Step 4: Simplify right side
   69,658.32x = 4,119,989,433.29
5. Step 5: Solve for x
   x = 4,119,989,433.29/69,658.32
6. Step 6: Final answer
   x = 59,145.69