Finding the Fourth Proportional to 143,627.04, 215,468.94 and 42,426.81

Step by Step Solution

1. Step 1: Write the proportion equation
   143,627.04 : 215,468.94 = 42,426.81 : x
2. Step 2: Convert to fraction form
   143,627.04/215,468.94 = 42,426.81/x
3. Step 3: Cross multiply
   143,627.04x = 215,468.94 × 42,426.81
4. Step 4: Simplify right side
   143,627.04x = 9,141,659,778.28
5. Step 5: Solve for x
   x = 9,141,659,778.28/143,627.04
6. Step 6: Final answer
   x = 63,648.60