Finding the Fourth Proportional to 49,819.68, 74,748.96 and 28,748.59

Step by Step Solution

1. Step 1: Write the proportion equation
   49,819.68 : 74,748.96 = 28,748.59 : x
2. Step 2: Convert to fraction form
   49,819.68/74,748.96 = 28,748.59/x
3. Step 3: Cross multiply
   49,819.68x = 74,748.96 × 28,748.59
4. Step 4: Simplify right side
   49,819.68x = 2,148,927,017.09
5. Step 5: Solve for x
   x = 2,148,927,017.09/49,819.68
6. Step 6: Final answer
   x = 43,134.10