Finding the Fourth Proportional to 10,059.60, 14,112.60 and 10,059.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,059.60 : 14,112.60 = 10,059.60 : x
2. Step 2: Convert to fraction form
   10,059.60/14,112.60 = 10,059.60/x
3. Step 3: Cross multiply
   10,059.60x = 14,112.60 × 10,059.60
4. Step 4: Simplify right side
   10,059.60x = 141,967,110.96
5. Step 5: Solve for x
   x = 141,967,110.96/10,059.60
6. Step 6: Final answer
   x = 14,112.60