Finding the Fourth Proportional to 151,700.76, 209,343.18 and 83,716.83

Step by Step Solution

1. Step 1: Write the proportion equation
   151,700.76 : 209,343.18 = 83,716.83 : x
2. Step 2: Convert to fraction form
   151,700.76/209,343.18 = 83,716.83/x
3. Step 3: Cross multiply
   151,700.76x = 209,343.18 × 83,716.83
4. Step 4: Simplify right side
   151,700.76x = 17,525,547,411.72
5. Step 5: Solve for x
   x = 17,525,547,411.72/151,700.76
6. Step 6: Final answer
   x = 115,527.09