Finding the Fourth Proportional to 1,091,564.56, 1,506,321.03 and 608,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,564.56 : 1,506,321.03 = 608,104.72 : x
2. Step 2: Convert to fraction form
   1,091,564.56/1,506,321.03 = 608,104.72/x
3. Step 3: Cross multiply
   1,091,564.56x = 1,506,321.03 × 608,104.72
4. Step 4: Simplify right side
   1,091,564.56x = 916,000,928,178.26
5. Step 5: Solve for x
   x = 916,000,928,178.26/1,091,564.56
6. Step 6: Final answer
   x = 839,163.31