Finding the Fourth Proportional to 1,213,754.50, 1,674,984.72 and 662,475.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,754.50 : 1,674,984.72 = 662,475.30 : x
2. Step 2: Convert to fraction form
   1,213,754.50/1,674,984.72 = 662,475.30/x
3. Step 3: Cross multiply
   1,213,754.50x = 1,674,984.72 × 662,475.30
4. Step 4: Simplify right side
   1,213,754.50x = 1,109,636,004,877.42
5. Step 5: Solve for x
   x = 1,109,636,004,877.42/1,213,754.50
6. Step 6: Final answer
   x = 914,217.83