Finding the Fourth Proportional to 2,105,566.84, 2,905,673.88 and 1,138,698.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,566.84 : 2,905,673.88 = 1,138,698.19 : x
2. Step 2: Convert to fraction form
   2,105,566.84/2,905,673.88 = 1,138,698.19/x
3. Step 3: Cross multiply
   2,105,566.84x = 2,905,673.88 × 1,138,698.19
4. Step 4: Simplify right side
   2,105,566.84x = 3,308,685,587,886.28
5. Step 5: Solve for x
   x = 3,308,685,587,886.28/2,105,566.84
6. Step 6: Final answer
   x = 1,571,398.98