Finding the Fourth Proportional to 194,297.33, 291,485.28 and 81,977.82

Step by Step Solution

1. Step 1: Write the proportion equation
   194,297.33 : 291,485.28 = 81,977.82 : x
2. Step 2: Convert to fraction form
   194,297.33/291,485.28 = 81,977.82/x
3. Step 3: Cross multiply
   194,297.33x = 291,485.28 × 81,977.82
4. Step 4: Simplify right side
   194,297.33x = 23,895,327,406.60
5. Step 5: Solve for x
   x = 23,895,327,406.60/194,297.33
6. Step 6: Final answer
   x = 122,983.31