Finding the Fourth Proportional to 149,389.18, 206,151.83 and 83,976.01

Step by Step Solution

1. Step 1: Write the proportion equation
   149,389.18 : 206,151.83 = 83,976.01 : x
2. Step 2: Convert to fraction form
   149,389.18/206,151.83 = 83,976.01/x
3. Step 3: Cross multiply
   149,389.18x = 206,151.83 × 83,976.01
4. Step 4: Simplify right side
   149,389.18x = 17,311,807,989.61
5. Step 5: Solve for x
   x = 17,311,807,989.61/149,389.18
6. Step 6: Final answer
   x = 115,883.95