Finding the Fourth Proportional to 71,527.49, 98,697.83 and 42,840.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,527.49 : 98,697.83 = 42,840.42 : x
2. Step 2: Convert to fraction form
   71,527.49/98,697.83 = 42,840.42/x
3. Step 3: Cross multiply
   71,527.49x = 98,697.83 × 42,840.42
4. Step 4: Simplify right side
   71,527.49x = 4,228,256,276.09
5. Step 5: Solve for x
   x = 4,228,256,276.09/71,527.49
6. Step 6: Final answer
   x = 59,113.73