Finding the Fourth Proportional to 112,196.10, 154,828.35 and 64,448.22

Step by Step Solution

1. Step 1: Write the proportion equation
   112,196.10 : 154,828.35 = 64,448.22 : x
2. Step 2: Convert to fraction form
   112,196.10/154,828.35 = 64,448.22/x
3. Step 3: Cross multiply
   112,196.10x = 154,828.35 × 64,448.22
4. Step 4: Simplify right side
   112,196.10x = 9,978,411,563.04
5. Step 5: Solve for x
   x = 9,978,411,563.04/112,196.10
6. Step 6: Final answer
   x = 88,937.24