Finding the Fourth Proportional to 143,518.61, 215,326.55 and 63,545.54

Step by Step Solution

1. Step 1: Write the proportion equation
   143,518.61 : 215,326.55 = 63,545.54 : x
2. Step 2: Convert to fraction form
   143,518.61/215,326.55 = 63,545.54/x
3. Step 3: Cross multiply
   143,518.61x = 215,326.55 × 63,545.54
4. Step 4: Simplify right side
   143,518.61x = 13,683,040,978.32
5. Step 5: Solve for x
   x = 13,683,040,978.32/143,518.61
6. Step 6: Final answer
   x = 95,339.84