Finding the Fourth Proportional to 1,408,343.02, 2,111,984.18 and 509,562.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408,343.02 : 2,111,984.18 = 509,562.56 : x
2. Step 2: Convert to fraction form
   1,408,343.02/2,111,984.18 = 509,562.56/x
3. Step 3: Cross multiply
   1,408,343.02x = 2,111,984.18 × 509,562.56
4. Step 4: Simplify right side
   1,408,343.02x = 1,076,188,065,440.30
5. Step 5: Solve for x
   x = 1,076,188,065,440.30/1,408,343.02
6. Step 6: Final answer
   x = 764,151.95