Finding the Fourth Proportional to 31,094.91, 42,917.89 and 19,762.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.91 : 42,917.89 = 19,762.20 : x
2. Step 2: Convert to fraction form
   31,094.91/42,917.89 = 19,762.20/x
3. Step 3: Cross multiply
   31,094.91x = 42,917.89 × 19,762.20
4. Step 4: Simplify right side
   31,094.91x = 848,151,711.17
5. Step 5: Solve for x
   x = 848,151,711.17/31,094.91
6. Step 6: Final answer
   x = 27,276.23