Finding the Fourth Proportional to 42,221.08, 63,353.49 and 30,629.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,221.08 : 63,353.49 = 30,629.98 : x
2. Step 2: Convert to fraction form
   42,221.08/63,353.49 = 30,629.98/x
3. Step 3: Cross multiply
   42,221.08x = 63,353.49 × 30,629.98
4. Step 4: Simplify right side
   42,221.08x = 1,940,516,131.63
5. Step 5: Solve for x
   x = 1,940,516,131.63/42,221.08
6. Step 6: Final answer
   x = 45,960.84