Finding the Fourth Proportional to 151,389.54, 208,916.58 and 83,404.94

Step by Step Solution

1. Step 1: Write the proportion equation
   151,389.54 : 208,916.58 = 83,404.94 : x
2. Step 2: Convert to fraction form
   151,389.54/208,916.58 = 83,404.94/x
3. Step 3: Cross multiply
   151,389.54x = 208,916.58 × 83,404.94
4. Step 4: Simplify right side
   151,389.54x = 17,424,673,775.32
5. Step 5: Solve for x
   x = 17,424,673,775.32/151,389.54
6. Step 6: Final answer
   x = 115,098.27