Finding the Fourth Proportional to 19,914.78, 29,890.62 and 10,061.00

Step by Step Solution

1. Step 1: Write the proportion equation
   19,914.78 : 29,890.62 = 10,061.00 : x
2. Step 2: Convert to fraction form
   19,914.78/29,890.62 = 10,061.00/x
3. Step 3: Cross multiply
   19,914.78x = 29,890.62 × 10,061.00
4. Step 4: Simplify right side
   19,914.78x = 300,729,378.37
5. Step 5: Solve for x
   x = 300,729,378.37/19,914.78
6. Step 6: Final answer
   x = 15,100.81