Finding the Fourth Proportional to 113,820.30, 159,581.70 and 113,820.30

Step by Step Solution

1. Step 1: Write the proportion equation
   113,820.30 : 159,581.70 = 113,820.30 : x
2. Step 2: Convert to fraction form
   113,820.30/159,581.70 = 113,820.30/x
3. Step 3: Cross multiply
   113,820.30x = 159,581.70 × 113,820.30
4. Step 4: Simplify right side
   113,820.30x = 18,163,636,968.51
5. Step 5: Solve for x
   x = 18,163,636,968.51/113,820.30
6. Step 6: Final answer
   x = 159,581.70