Finding the Fourth Proportional to 31,426.86, 47,155.62 and 14,788.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,426.86 : 47,155.62 = 14,788.53 : x
2. Step 2: Convert to fraction form
   31,426.86/47,155.62 = 14,788.53/x
3. Step 3: Cross multiply
   31,426.86x = 47,155.62 × 14,788.53
4. Step 4: Simplify right side
   31,426.86x = 697,362,301.04
5. Step 5: Solve for x
   x = 697,362,301.04/31,426.86
6. Step 6: Final answer
   x = 22,190.01