Finding the Fourth Proportional to 111,972.78, 167,941.83 and 61,396.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,972.78 : 167,941.83 = 61,396.71 : x
2. Step 2: Convert to fraction form
   111,972.78/167,941.83 = 61,396.71/x
3. Step 3: Cross multiply
   111,972.78x = 167,941.83 × 61,396.71
4. Step 4: Simplify right side
   111,972.78x = 10,311,075,833.38
5. Step 5: Solve for x
   x = 10,311,075,833.38/111,972.78
6. Step 6: Final answer
   x = 92,085.56