Finding the Fourth Proportional to 78,561.16, 117,837.34 and 19,396.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,561.16 : 117,837.34 = 19,396.52 : x
2. Step 2: Convert to fraction form
   78,561.16/117,837.34 = 19,396.52/x
3. Step 3: Cross multiply
   78,561.16x = 117,837.34 × 19,396.52
4. Step 4: Simplify right side
   78,561.16x = 2,285,634,322.06
5. Step 5: Solve for x
   x = 2,285,634,322.06/78,561.16
6. Step 6: Final answer
   x = 29,093.69