Finding the Fourth Proportional to 111,984.42, 154,538.51 and 61,683.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,984.42 : 154,538.51 = 61,683.42 : x
2. Step 2: Convert to fraction form
   111,984.42/154,538.51 = 61,683.42/x
3. Step 3: Cross multiply
   111,984.42x = 154,538.51 × 61,683.42
4. Step 4: Simplify right side
   111,984.42x = 9,532,463,510.09
5. Step 5: Solve for x
   x = 9,532,463,510.09/111,984.42
6. Step 6: Final answer
   x = 85,123.12