Finding the Fourth Proportional to 2,091,687.58, 2,886,818.42 and 1,173,971.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,687.58 : 2,886,818.42 = 1,173,971.35 : x
2. Step 2: Convert to fraction form
   2,091,687.58/2,886,818.42 = 1,173,971.35/x
3. Step 3: Cross multiply
   2,091,687.58x = 2,886,818.42 × 1,173,971.35
4. Step 4: Simplify right side
   2,091,687.58x = 3,389,042,117,732.27
5. Step 5: Solve for x
   x = 3,389,042,117,732.27/2,091,687.58
6. Step 6: Final answer
   x = 1,620,242.98