Finding the Fourth Proportional to 61,078.16, 91,558.92 and 19,498.16

Step by Step Solution

1. Step 1: Write the proportion equation
   61,078.16 : 91,558.92 = 19,498.16 : x
2. Step 2: Convert to fraction form
   61,078.16/91,558.92 = 19,498.16/x
3. Step 3: Cross multiply
   61,078.16x = 91,558.92 × 19,498.16
4. Step 4: Simplify right side
   61,078.16x = 1,785,230,471.59
5. Step 5: Solve for x
   x = 1,785,230,471.59/61,078.16
6. Step 6: Final answer
   x = 29,228.62