Finding the Fourth Proportional to 2,153,698.41, 2,972,065.30 and 1,173,645.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,698.41 : 2,972,065.30 = 1,173,645.98 : x
2. Step 2: Convert to fraction form
   2,153,698.41/2,972,065.30 = 1,173,645.98/x
3. Step 3: Cross multiply
   2,153,698.41x = 2,972,065.30 × 1,173,645.98
4. Step 4: Simplify right side
   2,153,698.41x = 3,488,152,491,642.49
5. Step 5: Solve for x
   x = 3,488,152,491,642.49/2,153,698.41
6. Step 6: Final answer
   x = 1,619,610.47