Finding the Fourth Proportional to 1,271,103.58, 1,906,396.71 and 372,303.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,103.58 : 1,906,396.71 = 372,303.82 : x
2. Step 2: Convert to fraction form
   1,271,103.58/1,906,396.71 = 372,303.82/x
3. Step 3: Cross multiply
   1,271,103.58x = 1,906,396.71 × 372,303.82
4. Step 4: Simplify right side
   1,271,103.58x = 709,758,777,568.43
5. Step 5: Solve for x
   x = 709,758,777,568.43/1,271,103.58
6. Step 6: Final answer
   x = 558,379.97