Finding the Fourth Proportional to 42,289.76, 63,465.42 and 34,069.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,289.76 : 63,465.42 = 34,069.04 : x
2. Step 2: Convert to fraction form
   42,289.76/63,465.42 = 34,069.04/x
3. Step 3: Cross multiply
   42,289.76x = 63,465.42 × 34,069.04
4. Step 4: Simplify right side
   42,289.76x = 2,162,205,932.60
5. Step 5: Solve for x
   x = 2,162,205,932.60/42,289.76
6. Step 6: Final answer
   x = 51,128.36