Finding the Fourth Proportional to 69,091.80, 103,631.74 and 42,067.14

Step by Step Solution

1. Step 1: Write the proportion equation
   69,091.80 : 103,631.74 = 42,067.14 : x
2. Step 2: Convert to fraction form
   69,091.80/103,631.74 = 42,067.14/x
3. Step 3: Cross multiply
   69,091.80x = 103,631.74 × 42,067.14
4. Step 4: Simplify right side
   69,091.80x = 4,359,490,915.02
5. Step 5: Solve for x
   x = 4,359,490,915.02/69,091.80
6. Step 6: Final answer
   x = 63,097.08