Finding the Fourth Proportional to 74,786.99, 112,147.61 and 28,007.06

Step by Step Solution

1. Step 1: Write the proportion equation
   74,786.99 : 112,147.61 = 28,007.06 : x
2. Step 2: Convert to fraction form
   74,786.99/112,147.61 = 28,007.06/x
3. Step 3: Cross multiply
   74,786.99x = 112,147.61 × 28,007.06
4. Step 4: Simplify right side
   74,786.99x = 3,140,924,141.35
5. Step 5: Solve for x
   x = 3,140,924,141.35/74,786.99
6. Step 6: Final answer
   x = 41,998.27