Finding the Fourth Proportional to 151,389.41, 208,916.41 and 83,404.81

Step by Step Solution

1. Step 1: Write the proportion equation
   151,389.41 : 208,916.41 = 83,404.81 : x
2. Step 2: Convert to fraction form
   151,389.41/208,916.41 = 83,404.81/x
3. Step 3: Cross multiply
   151,389.41x = 208,916.41 × 83,404.81
4. Step 4: Simplify right side
   151,389.41x = 17,424,633,534.57
5. Step 5: Solve for x
   x = 17,424,633,534.57/151,389.41
6. Step 6: Final answer
   x = 115,098.10