Finding the Fourth Proportional to 31,667.08, 47,485.98 and 17,816.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,667.08 : 47,485.98 = 17,816.08 : x
2. Step 2: Convert to fraction form
   31,667.08/47,485.98 = 17,816.08/x
3. Step 3: Cross multiply
   31,667.08x = 47,485.98 × 17,816.08
4. Step 4: Simplify right side
   31,667.08x = 846,014,018.56
5. Step 5: Solve for x
   x = 846,014,018.56/31,667.08
6. Step 6: Final answer
   x = 26,715.88