Finding the Fourth Proportional to 1,091,735.31, 1,506,574.67 and 608,290.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,735.31 : 1,506,574.67 = 608,290.05 : x
2. Step 2: Convert to fraction form
   1,091,735.31/1,506,574.67 = 608,290.05/x
3. Step 3: Cross multiply
   1,091,735.31x = 1,506,574.67 × 608,290.05
4. Step 4: Simplify right side
   1,091,735.31x = 916,434,381,343.03
5. Step 5: Solve for x
   x = 916,434,381,343.03/1,091,735.31
6. Step 6: Final answer
   x = 839,429.09