Finding the Fourth Proportional to 151,389, 208,916.82 and 84,325.32

Step by Step Solution

1. Step 1: Write the proportion equation
   151,389 : 208,916.82 = 84,325.32 : x
2. Step 2: Convert to fraction form
   151,389/208,916.82 = 84,325.32/x
3. Step 3: Cross multiply
   151,389x = 208,916.82 × 84,325.32
4. Step 4: Simplify right side
   151,389x = 17,616,977,699.88
5. Step 5: Solve for x
   x = 17,616,977,699.88/151,389
6. Step 6: Final answer
   x = 116,368.94