Finding the Fourth Proportional to 71,364.21, 98,488.61 and 39,536.07

Step by Step Solution

1. Step 1: Write the proportion equation
   71,364.21 : 98,488.61 = 39,536.07 : x
2. Step 2: Convert to fraction form
   71,364.21/98,488.61 = 39,536.07/x
3. Step 3: Cross multiply
   71,364.21x = 98,488.61 × 39,536.07
4. Step 4: Simplify right side
   71,364.21x = 3,893,851,889.04
5. Step 5: Solve for x
   x = 3,893,851,889.04/71,364.21
6. Step 6: Final answer
   x = 54,563.09