Finding the Fourth Proportional to 2,097,980.20, 2,895,128.58 and 1,238,817.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097,980.20 : 2,895,128.58 = 1,238,817.16 : x
2. Step 2: Convert to fraction form
   2,097,980.20/2,895,128.58 = 1,238,817.16/x
3. Step 3: Cross multiply
   2,097,980.20x = 2,895,128.58 × 1,238,817.16
4. Step 4: Simplify right side
   2,097,980.20x = 3,586,534,965,310.43
5. Step 5: Solve for x
   x = 3,586,534,965,310.43/2,097,980.20
6. Step 6: Final answer
   x = 1,709,518.02