Finding the Fourth Proportional to 113,870.22, 157,140.86 and 63,569.22

Step by Step Solution

1. Step 1: Write the proportion equation
   113,870.22 : 157,140.86 = 63,569.22 : x
2. Step 2: Convert to fraction form
   113,870.22/157,140.86 = 63,569.22/x
3. Step 3: Cross multiply
   113,870.22x = 157,140.86 × 63,569.22
4. Step 4: Simplify right side
   113,870.22x = 9,989,321,900.33
5. Step 5: Solve for x
   x = 9,989,321,900.33/113,870.22
6. Step 6: Final answer
   x = 87,725.50