Finding the Fourth Proportional to 151,493.72, 209,061.30 and 83,511.83

Step by Step Solution

1. Step 1: Write the proportion equation
   151,493.72 : 209,061.30 = 83,511.83 : x
2. Step 2: Convert to fraction form
   151,493.72/209,061.30 = 83,511.83/x
3. Step 3: Cross multiply
   151,493.72x = 209,061.30 × 83,511.83
4. Step 4: Simplify right side
   151,493.72x = 17,459,091,745.18
5. Step 5: Solve for x
   x = 17,459,091,745.18/151,493.72
6. Step 6: Final answer
   x = 115,246.31