Finding the Fourth Proportional to 712,870.17, 1,066,757.39 and 619,204.00

Step by Step Solution

1. Step 1: Write the proportion equation
   712,870.17 : 1,066,757.39 = 619,204.00 : x
2. Step 2: Convert to fraction form
   712,870.17/1,066,757.39 = 619,204.00/x
3. Step 3: Cross multiply
   712,870.17x = 1,066,757.39 × 619,204.00
4. Step 4: Simplify right side
   712,870.17x = 660,540,437,583.77
5. Step 5: Solve for x
   x = 660,540,437,583.77/712,870.17
6. Step 6: Final answer
   x = 926,592.90