Finding the Fourth Proportional to 117,216.21, 175,918.56 and 61,073.10

Step by Step Solution

1. Step 1: Write the proportion equation
   117,216.21 : 175,918.56 = 61,073.10 : x
2. Step 2: Convert to fraction form
   117,216.21/175,918.56 = 61,073.10/x
3. Step 3: Cross multiply
   117,216.21x = 175,918.56 × 61,073.10
4. Step 4: Simplify right side
   117,216.21x = 10,743,891,806.74
5. Step 5: Solve for x
   x = 10,743,891,806.74/117,216.21
6. Step 6: Final answer
   x = 91,658.75