Finding the Fourth Proportional to 61,196.78, 91,775.73 and 19,634.06

Step by Step Solution

1. Step 1: Write the proportion equation
   61,196.78 : 91,775.73 = 19,634.06 : x
2. Step 2: Convert to fraction form
   61,196.78/91,775.73 = 19,634.06/x
3. Step 3: Cross multiply
   61,196.78x = 91,775.73 × 19,634.06
4. Step 4: Simplify right side
   61,196.78x = 1,801,930,492.43
5. Step 5: Solve for x
   x = 1,801,930,492.43/61,196.78
6. Step 6: Final answer
   x = 29,444.86