Finding the Fourth Proportional to 151,412.15, 208,946.01 and 83,435.39

Step by Step Solution

1. Step 1: Write the proportion equation
   151,412.15 : 208,946.01 = 83,435.39 : x
2. Step 2: Convert to fraction form
   151,412.15/208,946.01 = 83,435.39/x
3. Step 3: Cross multiply
   151,412.15x = 208,946.01 × 83,435.39
4. Step 4: Simplify right side
   151,412.15x = 17,433,491,938.48
5. Step 5: Solve for x
   x = 17,433,491,938.48/151,412.15
6. Step 6: Final answer
   x = 115,139.32