Finding the Fourth Proportional to 81,822.02, 112,897.42 and 51,571.71

Step by Step Solution

1. Step 1: Write the proportion equation
   81,822.02 : 112,897.42 = 51,571.71 : x
2. Step 2: Convert to fraction form
   81,822.02/112,897.42 = 51,571.71/x
3. Step 3: Cross multiply
   81,822.02x = 112,897.42 × 51,571.71
4. Step 4: Simplify right side
   81,822.02x = 5,822,312,875.06
5. Step 5: Solve for x
   x = 5,822,312,875.06/81,822.02
6. Step 6: Final answer
   x = 71,158.27