Finding the Fourth Proportional to 1,680,473.34, 2,520,411.12 and 669,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,473.34 : 2,520,411.12 = 669,510.72 : x
2. Step 2: Convert to fraction form
   1,680,473.34/2,520,411.12 = 669,510.72/x
3. Step 3: Cross multiply
   1,680,473.34x = 2,520,411.12 × 669,510.72
4. Step 4: Simplify right side
   1,680,473.34x = 1,687,442,263,647.21
5. Step 5: Solve for x
   x = 1,687,442,263,647.21/1,680,473.34
6. Step 6: Final answer
   x = 1,004,147.00