Finding the Fourth Proportional to 1,185,872.00, 1,636,492.01 and 641,993.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,872.00 : 1,636,492.01 = 641,993.85 : x
2. Step 2: Convert to fraction form
   1,185,872.00/1,636,492.01 = 641,993.85/x
3. Step 3: Cross multiply
   1,185,872.00x = 1,636,492.01 × 641,993.85
4. Step 4: Simplify right side
   1,185,872.00x = 1,050,617,802,784.17
5. Step 5: Solve for x
   x = 1,050,617,802,784.17/1,185,872.00
6. Step 6: Final answer
   x = 885,945.37