Finding the Fourth Proportional to 141,984.03, 212,863.59 and 70,870.08

Step by Step Solution

1. Step 1: Write the proportion equation
   141,984.03 : 212,863.59 = 70,870.08 : x
2. Step 2: Convert to fraction form
   141,984.03/212,863.59 = 70,870.08/x
3. Step 3: Cross multiply
   141,984.03x = 212,863.59 × 70,870.08
4. Step 4: Simplify right side
   141,984.03x = 15,085,659,652.39
5. Step 5: Solve for x
   x = 15,085,659,652.39/141,984.03
6. Step 6: Final answer
   x = 106,248.99