Finding the Fourth Proportional to 74,958.93, 112,405.59 and 28,179

Step by Step Solution

1. Step 1: Write the proportion equation
   74,958.93 : 112,405.59 = 28,179 : x
2. Step 2: Convert to fraction form
   74,958.93/112,405.59 = 28,179/x
3. Step 3: Cross multiply
   74,958.93x = 112,405.59 × 28,179
4. Step 4: Simplify right side
   74,958.93x = 3,167,477,120.61
5. Step 5: Solve for x
   x = 3,167,477,120.61/74,958.93
6. Step 6: Final answer
   x = 42,256.17