Finding the Fourth Proportional to 55,371.37, 83,070.27 and 17,931.49

Step by Step Solution

1. Step 1: Write the proportion equation
   55,371.37 : 83,070.27 = 17,931.49 : x
2. Step 2: Convert to fraction form
   55,371.37/83,070.27 = 17,931.49/x
3. Step 3: Cross multiply
   55,371.37x = 83,070.27 × 17,931.49
4. Step 4: Simplify right side
   55,371.37x = 1,489,573,300.45
5. Step 5: Solve for x
   x = 1,489,573,300.45/55,371.37
6. Step 6: Final answer
   x = 26,901.51