Finding the Fourth Proportional to 78,774.78, 118,161.56 and 19,610.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,774.78 : 118,161.56 = 19,610.06 : x
2. Step 2: Convert to fraction form
   78,774.78/118,161.56 = 19,610.06/x
3. Step 3: Cross multiply
   78,774.78x = 118,161.56 × 19,610.06
4. Step 4: Simplify right side
   78,774.78x = 2,317,155,281.29
5. Step 5: Solve for x
   x = 2,317,155,281.29/78,774.78
6. Step 6: Final answer
   x = 29,414.94