Finding the Fourth Proportional to 61,399.69, 92,128.69 and 19,846.69

Step by Step Solution

1. Step 1: Write the proportion equation
   61,399.69 : 92,128.69 = 19,846.69 : x
2. Step 2: Convert to fraction form
   61,399.69/92,128.69 = 19,846.69/x
3. Step 3: Cross multiply
   61,399.69x = 92,128.69 × 19,846.69
4. Step 4: Simplify right side
   61,399.69x = 1,828,449,345.02
5. Step 5: Solve for x
   x = 1,828,449,345.02/61,399.69
6. Step 6: Final answer
   x = 29,779.46