Finding the Fourth Proportional to 112,361.22, 155,055.78 and 64,613.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,361.22 : 155,055.78 = 64,613.52 : x
2. Step 2: Convert to fraction form
   112,361.22/155,055.78 = 64,613.52/x
3. Step 3: Cross multiply
   112,361.22x = 155,055.78 × 64,613.52
4. Step 4: Simplify right side
   112,361.22x = 10,018,699,742.15
5. Step 5: Solve for x
   x = 10,018,699,742.15/112,361.22
6. Step 6: Final answer
   x = 89,165.10