Finding the Fourth Proportional to 71,581.84, 98,775.72 and 41,791.12

Step by Step Solution

1. Step 1: Write the proportion equation
   71,581.84 : 98,775.72 = 41,791.12 : x
2. Step 2: Convert to fraction form
   71,581.84/98,775.72 = 41,791.12/x
3. Step 3: Cross multiply
   71,581.84x = 98,775.72 × 41,791.12
4. Step 4: Simplify right side
   71,581.84x = 4,127,947,967.61
5. Step 5: Solve for x
   x = 4,127,947,967.61/71,581.84
6. Step 6: Final answer
   x = 57,667.53