Finding the Fourth Proportional to 49,895.62, 74,803.69 and 28,811.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,895.62 : 74,803.69 = 28,811.72 : x
2. Step 2: Convert to fraction form
   49,895.62/74,803.69 = 28,811.72/x
3. Step 3: Cross multiply
   49,895.62x = 74,803.69 × 28,811.72
4. Step 4: Simplify right side
   49,895.62x = 2,155,222,971.25
5. Step 5: Solve for x
   x = 2,155,222,971.25/49,895.62
6. Step 6: Final answer
   x = 43,194.63