Finding the Fourth Proportional to 113,796.30, 170,366.40 and 113,796.30

Step by Step Solution

1. Step 1: Write the proportion equation
   113,796.30 : 170,366.40 = 113,796.30 : x
2. Step 2: Convert to fraction form
   113,796.30/170,366.40 = 113,796.30/x
3. Step 3: Cross multiply
   113,796.30x = 170,366.40 × 113,796.30
4. Step 4: Simplify right side
   113,796.30x = 19,387,065,964.32
5. Step 5: Solve for x
   x = 19,387,065,964.32/113,796.30
6. Step 6: Final answer
   x = 170,366.40