Finding the Fourth Proportional to 61,271.98, 91,908.05 and 19,152.29

Step by Step Solution

1. Step 1: Write the proportion equation
   61,271.98 : 91,908.05 = 19,152.29 : x
2. Step 2: Convert to fraction form
   61,271.98/91,908.05 = 19,152.29/x
3. Step 3: Cross multiply
   61,271.98x = 91,908.05 × 19,152.29
4. Step 4: Simplify right side
   61,271.98x = 1,760,249,760.94
5. Step 5: Solve for x
   x = 1,760,249,760.94/61,271.98
6. Step 6: Final answer
   x = 28,728.46