Finding the Fourth Proportional to 1,307,401.63, 1,961,694.01 and 667,374.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,401.63 : 1,961,694.01 = 667,374.86 : x
2. Step 2: Convert to fraction form
   1,307,401.63/1,961,694.01 = 667,374.86/x
3. Step 3: Cross multiply
   1,307,401.63x = 1,961,694.01 × 667,374.86
4. Step 4: Simplify right side
   1,307,401.63x = 1,309,185,271,025.04
5. Step 5: Solve for x
   x = 1,309,185,271,025.04/1,307,401.63
6. Step 6: Final answer
   x = 1,001,364.27