Finding the Fourth Proportional to 31,887.72, 47,776.86 and 17,844.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,887.72 : 47,776.86 = 17,844.72 : x
2. Step 2: Convert to fraction form
   31,887.72/47,776.86 = 17,844.72/x
3. Step 3: Cross multiply
   31,887.72x = 47,776.86 × 17,844.72
4. Step 4: Simplify right side
   31,887.72x = 852,564,689.18
5. Step 5: Solve for x
   x = 852,564,689.18/31,887.72
6. Step 6: Final answer
   x = 26,736.46