Finding the Fourth Proportional to 112,284.54, 154,978.72 and 74,050.99

Step by Step Solution

1. Step 1: Write the proportion equation
   112,284.54 : 154,978.72 = 74,050.99 : x
2. Step 2: Convert to fraction form
   112,284.54/154,978.72 = 74,050.99/x
3. Step 3: Cross multiply
   112,284.54x = 154,978.72 × 74,050.99
4. Step 4: Simplify right side
   112,284.54x = 11,476,327,644.93
5. Step 5: Solve for x
   x = 11,476,327,644.93/112,284.54
6. Step 6: Final answer
   x = 102,207.55