Finding the Fourth Proportional to 151,950.17, 209,703.86 and 83,980.41

Step by Step Solution

1. Step 1: Write the proportion equation
   151,950.17 : 209,703.86 = 83,980.41 : x
2. Step 2: Convert to fraction form
   151,950.17/209,703.86 = 83,980.41/x
3. Step 3: Cross multiply
   151,950.17x = 209,703.86 × 83,980.41
4. Step 4: Simplify right side
   151,950.17x = 17,611,016,141.38
5. Step 5: Solve for x
   x = 17,611,016,141.38/151,950.17
6. Step 6: Final answer
   x = 115,899.94