Finding the Fourth Proportional to 113,112.53, 156,023.56 and 69,485.99

Step by Step Solution

1. Step 1: Write the proportion equation
   113,112.53 : 156,023.56 = 69,485.99 : x
2. Step 2: Convert to fraction form
   113,112.53/156,023.56 = 69,485.99/x
3. Step 3: Cross multiply
   113,112.53x = 156,023.56 × 69,485.99
4. Step 4: Simplify right side
   113,112.53x = 10,841,450,576.09
5. Step 5: Solve for x
   x = 10,841,450,576.09/113,112.53
6. Step 6: Final answer
   x = 95,846.59