Finding the Fourth Proportional to 151,950.79, 209,704.72 and 83,981.04

Step by Step Solution

1. Step 1: Write the proportion equation
   151,950.79 : 209,704.72 = 83,981.04 : x
2. Step 2: Convert to fraction form
   151,950.79/209,704.72 = 83,981.04/x
3. Step 3: Cross multiply
   151,950.79x = 209,704.72 × 83,981.04
4. Step 4: Simplify right side
   151,950.79x = 17,611,220,478.51
5. Step 5: Solve for x
   x = 17,611,220,478.51/151,950.79
6. Step 6: Final answer
   x = 115,900.82