Finding the Fourth Proportional to 1,404,099.88, 2,105,748.06 and 457,553.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,099.88 : 2,105,748.06 = 457,553.32 : x
2. Step 2: Convert to fraction form
   1,404,099.88/2,105,748.06 = 457,553.32/x
3. Step 3: Cross multiply
   1,404,099.88x = 2,105,748.06 × 457,553.32
4. Step 4: Simplify right side
   1,404,099.88x = 963,492,015,936.56
5. Step 5: Solve for x
   x = 963,492,015,936.56/1,404,099.88
6. Step 6: Final answer
   x = 686,199.06