Finding the Fourth Proportional to 31,501.93, 47,263.83 and 13,984.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,501.93 : 47,263.83 = 13,984.06 : x
2. Step 2: Convert to fraction form
   31,501.93/47,263.83 = 13,984.06/x
3. Step 3: Cross multiply
   31,501.93x = 47,263.83 × 13,984.06
4. Step 4: Simplify right side
   31,501.93x = 660,940,234.55
5. Step 5: Solve for x
   x = 660,940,234.55/31,501.93
6. Step 6: Final answer
   x = 20,980.94