Finding the Fourth Proportional to 143,625.05, 215,465.93 and 42,424.82

Step by Step Solution

1. Step 1: Write the proportion equation
   143,625.05 : 215,465.93 = 42,424.82 : x
2. Step 2: Convert to fraction form
   143,625.05/215,465.93 = 42,424.82/x
3. Step 3: Cross multiply
   143,625.05x = 215,465.93 × 42,424.82
4. Step 4: Simplify right side
   143,625.05x = 9,141,103,296.38
5. Step 5: Solve for x
   x = 9,141,103,296.38/143,625.05
6. Step 6: Final answer
   x = 63,645.61