Finding the Fourth Proportional to 69,090.80, 103,630.24 and 42,066.14

Step by Step Solution

1. Step 1: Write the proportion equation
   69,090.80 : 103,630.24 = 42,066.14 : x
2. Step 2: Convert to fraction form
   69,090.80/103,630.24 = 42,066.14/x
3. Step 3: Cross multiply
   69,090.80x = 103,630.24 × 42,066.14
4. Step 4: Simplify right side
   69,090.80x = 4,359,323,665.92
5. Step 5: Solve for x
   x = 4,359,323,665.92/69,090.80
6. Step 6: Final answer
   x = 63,095.58