Finding the Fourth Proportional to 112,284.67, 154,978.89 and 74,051.12

Step by Step Solution

1. Step 1: Write the proportion equation
   112,284.67 : 154,978.89 = 74,051.12 : x
2. Step 2: Convert to fraction form
   112,284.67/154,978.89 = 74,051.12/x
3. Step 3: Cross multiply
   112,284.67x = 154,978.89 × 74,051.12
4. Step 4: Simplify right side
   112,284.67x = 11,476,359,605.96
5. Step 5: Solve for x
   x = 11,476,359,605.96/112,284.67
6. Step 6: Final answer
   x = 102,207.72