Finding the Fourth Proportional to 112,066.71, 154,647.53 and 61,078.34

Step by Step Solution

1. Step 1: Write the proportion equation
   112,066.71 : 154,647.53 = 61,078.34 : x
2. Step 2: Convert to fraction form
   112,066.71/154,647.53 = 61,078.34/x
3. Step 3: Cross multiply
   112,066.71x = 154,647.53 × 61,078.34
4. Step 4: Simplify right side
   112,066.71x = 9,445,613,338.87
5. Step 5: Solve for x
   x = 9,445,613,338.87/112,066.71
6. Step 6: Final answer
   x = 84,285.63