Finding the Fourth Proportional to 49,903.49, 74,887.34 and 19,912.59

Step by Step Solution

1. Step 1: Write the proportion equation
   49,903.49 : 74,887.34 = 19,912.59 : x
2. Step 2: Convert to fraction form
   49,903.49/74,887.34 = 19,912.59/x
3. Step 3: Cross multiply
   49,903.49x = 74,887.34 × 19,912.59
4. Step 4: Simplify right side
   49,903.49x = 1,491,200,798.05
5. Step 5: Solve for x
   x = 1,491,200,798.05/49,903.49
6. Step 6: Final answer
   x = 29,881.70