Finding the Fourth Proportional to 151,433, 208,978.94 and 83,452.40

Step by Step Solution

1. Step 1: Write the proportion equation
   151,433 : 208,978.94 = 83,452.40 : x
2. Step 2: Convert to fraction form
   151,433/208,978.94 = 83,452.40/x
3. Step 3: Cross multiply
   151,433x = 208,978.94 × 83,452.40
4. Step 4: Simplify right side
   151,433x = 17,439,794,092.46
5. Step 5: Solve for x
   x = 17,439,794,092.46/151,433
6. Step 6: Final answer
   x = 115,165.08