Finding the Fourth Proportional to 71,822.61, 99,123.89 and 41,206.91

Step by Step Solution

1. Step 1: Write the proportion equation
   71,822.61 : 99,123.89 = 41,206.91 : x
2. Step 2: Convert to fraction form
   71,822.61/99,123.89 = 41,206.91/x
3. Step 3: Cross multiply
   71,822.61x = 99,123.89 × 41,206.91
4. Step 4: Simplify right side
   71,822.61x = 4,084,588,512.43
5. Step 5: Solve for x
   x = 4,084,588,512.43/71,822.61
6. Step 6: Final answer
   x = 56,870.51