Finding the Fourth Proportional to 3,717,345, 5,574,655.02 and 1,287,870.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,717,345 : 5,574,655.02 = 1,287,870.72 : x
2. Step 2: Convert to fraction form
   3,717,345/5,574,655.02 = 1,287,870.72/x
3. Step 3: Cross multiply
   3,717,345x = 5,574,655.02 × 1,287,870.72
4. Step 4: Simplify right side
   3,717,345x = 7,179,434,974,359.01
5. Step 5: Solve for x
   x = 7,179,434,974,359.01/3,717,345
6. Step 6: Final answer
   x = 1,931,334.05