Finding the Fourth Proportional to 71,112.42, 98,061.48 and 61,074.06

Step by Step Solution

1. Step 1: Write the proportion equation
   71,112.42 : 98,061.48 = 61,074.06 : x
2. Step 2: Convert to fraction form
   71,112.42/98,061.48 = 61,074.06/x
3. Step 3: Cross multiply
   71,112.42x = 98,061.48 × 61,074.06
4. Step 4: Simplify right side
   71,112.42x = 5,989,012,713.21
5. Step 5: Solve for x
   x = 5,989,012,713.21/71,112.42
6. Step 6: Final answer
   x = 84,218.94