Finding the Fourth Proportional to 143,814.34, 198,477.83 and 107,452.69

Step by Step Solution

1. Step 1: Write the proportion equation
   143,814.34 : 198,477.83 = 107,452.69 : x
2. Step 2: Convert to fraction form
   143,814.34/198,477.83 = 107,452.69/x
3. Step 3: Cross multiply
   143,814.34x = 198,477.83 × 107,452.69
4. Step 4: Simplify right side
   143,814.34x = 21,326,977,023.32
5. Step 5: Solve for x
   x = 21,326,977,023.32/143,814.34
6. Step 6: Final answer
   x = 148,295.21