Finding the Fourth Proportional to 112,656, 155,465.42 and 70,214.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,656 : 155,465.42 = 70,214.50 : x
2. Step 2: Convert to fraction form
   112,656/155,465.42 = 70,214.50/x
3. Step 3: Cross multiply
   112,656x = 155,465.42 × 70,214.50
4. Step 4: Simplify right side
   112,656x = 10,915,926,732.59
5. Step 5: Solve for x
   x = 10,915,926,732.59/112,656
6. Step 6: Final answer
   x = 96,896.10