Finding the Fourth Proportional to 31,094.89, 42,917.87 and 19,762.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.89 : 42,917.87 = 19,762.18 : x
2. Step 2: Convert to fraction form
   31,094.89/42,917.87 = 19,762.18/x
3. Step 3: Cross multiply
   31,094.89x = 42,917.87 × 19,762.18
4. Step 4: Simplify right side
   31,094.89x = 848,150,672.16
5. Step 5: Solve for x
   x = 848,150,672.16/31,094.89
6. Step 6: Final answer
   x = 27,276.21