Finding the Fourth Proportional to 101,627.52, 152,178.72 and 70,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,627.52 : 152,178.72 = 70,134.72 : x
2. Step 2: Convert to fraction form
   101,627.52/152,178.72 = 70,134.72/x
3. Step 3: Cross multiply
   101,627.52x = 152,178.72 × 70,134.72
4. Step 4: Simplify right side
   101,627.52x = 10,673,011,917.16
5. Step 5: Solve for x
   x = 10,673,011,917.16/101,627.52
6. Step 6: Final answer
   x = 105,020.88