Finding the Fourth Proportional to 102,678.24, 141,617.52 and 70,900.32

Step by Step Solution

1. Step 1: Write the proportion equation
   102,678.24 : 141,617.52 = 70,900.32 : x
2. Step 2: Convert to fraction form
   102,678.24/141,617.52 = 70,900.32/x
3. Step 3: Cross multiply
   102,678.24x = 141,617.52 × 70,900.32
4. Step 4: Simplify right side
   102,678.24x = 10,040,727,485.61
5. Step 5: Solve for x
   x = 10,040,727,485.61/102,678.24
6. Step 6: Final answer
   x = 97,788.27