Finding the Fourth Proportional to 61,047.40, 91,570.78 and 19,493.48

Step by Step Solution

1. Step 1: Write the proportion equation
   61,047.40 : 91,570.78 = 19,493.48 : x
2. Step 2: Convert to fraction form
   61,047.40/91,570.78 = 19,493.48/x
3. Step 3: Cross multiply
   61,047.40x = 91,570.78 × 19,493.48
4. Step 4: Simplify right side
   61,047.40x = 1,785,033,168.51
5. Step 5: Solve for x
   x = 1,785,033,168.51/61,047.40
6. Step 6: Final answer
   x = 29,240.12