Finding the Fourth Proportional to 71,167.00, 98,212.55 and 38,903.40

Step by Step Solution

1. Step 1: Write the proportion equation
   71,167.00 : 98,212.55 = 38,903.40 : x
2. Step 2: Convert to fraction form
   71,167.00/98,212.55 = 38,903.40/x
3. Step 3: Cross multiply
   71,167.00x = 98,212.55 × 38,903.40
4. Step 4: Simplify right side
   71,167.00x = 3,820,801,923.15
5. Step 5: Solve for x
   x = 3,820,801,923.15/71,167.00
6. Step 6: Final answer
   x = 53,687.83