Finding the Fourth Proportional to 71,803.55, 99,073.89 and 41,587.07

Step by Step Solution

1. Step 1: Write the proportion equation
   71,803.55 : 99,073.89 = 41,587.07 : x
2. Step 2: Convert to fraction form
   71,803.55/99,073.89 = 41,587.07/x
3. Step 3: Cross multiply
   71,803.55x = 99,073.89 × 41,587.07
4. Step 4: Simplify right side
   71,803.55x = 4,120,192,654.89
5. Step 5: Solve for x
   x = 4,120,192,654.89/71,803.55
6. Step 6: Final answer
   x = 57,381.46