Finding the Fourth Proportional to 31,095.02, 42,911.75 and 16,947.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,095.02 : 42,911.75 = 16,947.86 : x
2. Step 2: Convert to fraction form
   31,095.02/42,911.75 = 16,947.86/x
3. Step 3: Cross multiply
   31,095.02x = 42,911.75 × 16,947.86
4. Step 4: Simplify right side
   31,095.02x = 727,262,159.17
5. Step 5: Solve for x
   x = 727,262,159.17/31,095.02
6. Step 6: Final answer
   x = 23,388.38