Finding the Fourth Proportional to 102,826.14, 141,935.76 and 70,667.28

Step by Step Solution

1. Step 1: Write the proportion equation
   102,826.14 : 141,935.76 = 70,667.28 : x
2. Step 2: Convert to fraction form
   102,826.14/141,935.76 = 70,667.28/x
3. Step 3: Cross multiply
   102,826.14x = 141,935.76 × 70,667.28
4. Step 4: Simplify right side
   102,826.14x = 10,030,214,093.93
5. Step 5: Solve for x
   x = 10,030,214,093.93/102,826.14
6. Step 6: Final answer
   x = 97,545.37