Finding the Fourth Proportional to 1,094,311.84, 1,510,156.56 and 641,610.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094,311.84 : 1,510,156.56 = 641,610.40 : x
2. Step 2: Convert to fraction form
   1,094,311.84/1,510,156.56 = 641,610.40/x
3. Step 3: Cross multiply
   1,094,311.84x = 1,510,156.56 × 641,610.40
4. Step 4: Simplify right side
   1,094,311.84x = 968,932,154,524.22
5. Step 5: Solve for x
   x = 968,932,154,524.22/1,094,311.84
6. Step 6: Final answer
   x = 885,426.00