Finding the Fourth Proportional to 2,110,071.18, 2,911,899.87 and 1,238,735.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110,071.18 : 2,911,899.87 = 1,238,735.34 : x
2. Step 2: Convert to fraction form
   2,110,071.18/2,911,899.87 = 1,238,735.34/x
3. Step 3: Cross multiply
   2,110,071.18x = 2,911,899.87 × 1,238,735.34
4. Step 4: Simplify right side
   2,110,071.18x = 3,607,073,275,510.41
5. Step 5: Solve for x
   x = 3,607,073,275,510.41/2,110,071.18
6. Step 6: Final answer
   x = 1,709,455.73