Finding the Fourth Proportional to 78,286.50, 108,032.22 and 42,475.14

Step by Step Solution

1. Step 1: Write the proportion equation
   78,286.50 : 108,032.22 = 42,475.14 : x
2. Step 2: Convert to fraction form
   78,286.50/108,032.22 = 42,475.14/x
3. Step 3: Cross multiply
   78,286.50x = 108,032.22 × 42,475.14
4. Step 4: Simplify right side
   78,286.50x = 4,588,683,669.01
5. Step 5: Solve for x
   x = 4,588,683,669.01/78,286.50
6. Step 6: Final answer
   x = 58,613.98