Finding the Fourth Proportional to 112,656.51, 155,466.12 and 70,215

Step by Step Solution

1. Step 1: Write the proportion equation
   112,656.51 : 155,466.12 = 70,215 : x
2. Step 2: Convert to fraction form
   112,656.51/155,466.12 = 70,215/x
3. Step 3: Cross multiply
   112,656.51x = 155,466.12 × 70,215
4. Step 4: Simplify right side
   112,656.51x = 10,916,053,264.73
5. Step 5: Solve for x
   x = 10,916,053,264.73/112,656.51
6. Step 6: Final answer
   x = 96,896.79