Finding the Fourth Proportional to 112,185.30, 154,819.17 and 64,448.22

Step by Step Solution

1. Step 1: Write the proportion equation
   112,185.30 : 154,819.17 = 64,448.22 : x
2. Step 2: Convert to fraction form
   112,185.30/154,819.17 = 64,448.22/x
3. Step 3: Cross multiply
   112,185.30x = 154,819.17 × 64,448.22
4. Step 4: Simplify right side
   112,185.30x = 9,977,819,928.38
5. Step 5: Solve for x
   x = 9,977,819,928.38/112,185.30
6. Step 6: Final answer
   x = 88,940.53