Finding the Fourth Proportional to 2,091,686.58, 2,886,817.04 and 1,173,970.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,686.58 : 2,886,817.04 = 1,173,970.35 : x
2. Step 2: Convert to fraction form
   2,091,686.58/2,886,817.04 = 1,173,970.35/x
3. Step 3: Cross multiply
   2,091,686.58x = 2,886,817.04 × 1,173,970.35
4. Step 4: Simplify right side
   2,091,686.58x = 3,389,037,610,834.76
5. Step 5: Solve for x
   x = 3,389,037,610,834.76/2,091,686.58
6. Step 6: Final answer
   x = 1,620,241.60