Finding the Fourth Proportional to 113,784.30, 159,531.30 and 113,784.30

Step by Step Solution

1. Step 1: Write the proportion equation
   113,784.30 : 159,531.30 = 113,784.30 : x
2. Step 2: Convert to fraction form
   113,784.30/159,531.30 = 113,784.30/x
3. Step 3: Cross multiply
   113,784.30x = 159,531.30 × 113,784.30
4. Step 4: Simplify right side
   113,784.30x = 18,152,157,298.59
5. Step 5: Solve for x
   x = 18,152,157,298.59/113,784.30
6. Step 6: Final answer
   x = 159,531.30