Finding the Fourth Proportional to 69,137.38, 103,793.59 and 42,417.71

Step by Step Solution

1. Step 1: Write the proportion equation
   69,137.38 : 103,793.59 = 42,417.71 : x
2. Step 2: Convert to fraction form
   69,137.38/103,793.59 = 42,417.71/x
3. Step 3: Cross multiply
   69,137.38x = 103,793.59 × 42,417.71
4. Step 4: Simplify right side
   69,137.38x = 4,402,685,881.51
5. Step 5: Solve for x
   x = 4,402,685,881.51/69,137.38
6. Step 6: Final answer
   x = 63,680.26