Finding the Fourth Proportional to 102,735.32, 153,853.86 and 71,056.47

Step by Step Solution

1. Step 1: Write the proportion equation
   102,735.32 : 153,853.86 = 71,056.47 : x
2. Step 2: Convert to fraction form
   102,735.32/153,853.86 = 71,056.47/x
3. Step 3: Cross multiply
   102,735.32x = 153,853.86 × 71,056.47
4. Step 4: Simplify right side
   102,735.32x = 10,932,313,030.89
5. Step 5: Solve for x
   x = 10,932,313,030.89/102,735.32
6. Step 6: Final answer
   x = 106,412.41