Finding the Fourth Proportional to 49,050.51, 67,688.42 and 28,636.48

Step by Step Solution

1. Step 1: Write the proportion equation
   49,050.51 : 67,688.42 = 28,636.48 : x
2. Step 2: Convert to fraction form
   49,050.51/67,688.42 = 28,636.48/x
3. Step 3: Cross multiply
   49,050.51x = 67,688.42 × 28,636.48
4. Step 4: Simplify right side
   49,050.51x = 1,938,358,085.56
5. Step 5: Solve for x
   x = 1,938,358,085.56/49,050.51
6. Step 6: Final answer
   x = 39,517.60