Finding the Fourth Proportional to 109,099.50, 150,558.22 and 61,352.42

Step by Step Solution

1. Step 1: Write the proportion equation
   109,099.50 : 150,558.22 = 61,352.42 : x
2. Step 2: Convert to fraction form
   109,099.50/150,558.22 = 61,352.42/x
3. Step 3: Cross multiply
   109,099.50x = 150,558.22 × 61,352.42
4. Step 4: Simplify right side
   109,099.50x = 9,237,111,147.89
5. Step 5: Solve for x
   x = 9,237,111,147.89/109,099.50
6. Step 6: Final answer
   x = 84,666.85