Finding the Fourth Proportional to 106,112.72, 146,474.52 and 70,314.32

Step by Step Solution

1. Step 1: Write the proportion equation
   106,112.72 : 146,474.52 = 70,314.32 : x
2. Step 2: Convert to fraction form
   106,112.72/146,474.52 = 70,314.32/x
3. Step 3: Cross multiply
   106,112.72x = 146,474.52 × 70,314.32
4. Step 4: Simplify right side
   106,112.72x = 10,299,256,271.13
5. Step 5: Solve for x
   x = 10,299,256,271.13/106,112.72
6. Step 6: Final answer
   x = 97,059.58