Finding the Fourth Proportional to 49,810.47, 74,715.83 and 14,271.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,810.47 : 74,715.83 = 14,271.72 : x
2. Step 2: Convert to fraction form
   49,810.47/74,715.83 = 14,271.72/x
3. Step 3: Cross multiply
   49,810.47x = 74,715.83 × 14,271.72
4. Step 4: Simplify right side
   49,810.47x = 1,066,323,405.33
5. Step 5: Solve for x
   x = 1,066,323,405.33/49,810.47
6. Step 6: Final answer
   x = 21,407.62