Finding the Fourth Proportional to 151,969.59, 228,020.00 and 81,834.93

Step by Step Solution

1. Step 1: Write the proportion equation
   151,969.59 : 228,020.00 = 81,834.93 : x
2. Step 2: Convert to fraction form
   151,969.59/228,020.00 = 81,834.93/x
3. Step 3: Cross multiply
   151,969.59x = 228,020.00 × 81,834.93
4. Step 4: Simplify right side
   151,969.59x = 18,660,000,329.43
5. Step 5: Solve for x
   x = 18,660,000,329.43/151,969.59
6. Step 6: Final answer
   x = 122,787.73