Finding the Fourth Proportional to 49,775.28, 74,651.31 and 28,670.46

Step by Step Solution

1. Step 1: Write the proportion equation
   49,775.28 : 74,651.31 = 28,670.46 : x
2. Step 2: Convert to fraction form
   49,775.28/74,651.31 = 28,670.46/x
3. Step 3: Cross multiply
   49,775.28x = 74,651.31 × 28,670.46
4. Step 4: Simplify right side
   49,775.28x = 2,140,287,397.30
5. Step 5: Solve for x
   x = 2,140,287,397.30/49,775.28
6. Step 6: Final answer
   x = 42,999.00