Finding the Fourth Proportional to 31,372.99, 47,016.72 and 17,312.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,372.99 : 47,016.72 = 17,312.06 : x
2. Step 2: Convert to fraction form
   31,372.99/47,016.72 = 17,312.06/x
3. Step 3: Cross multiply
   31,372.99x = 47,016.72 × 17,312.06
4. Step 4: Simplify right side
   31,372.99x = 813,956,395.19
5. Step 5: Solve for x
   x = 813,956,395.19/31,372.99
6. Step 6: Final answer
   x = 25,944.50