Finding the Fourth Proportional to 1,104,217.42, 1,523,810.88 and 620,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104,217.42 : 1,523,810.88 = 620,784.72 : x
2. Step 2: Convert to fraction form
   1,104,217.42/1,523,810.88 = 620,784.72/x
3. Step 3: Cross multiply
   1,104,217.42x = 1,523,810.88 × 620,784.72
4. Step 4: Simplify right side
   1,104,217.42x = 945,958,510,473.75
5. Step 5: Solve for x
   x = 945,958,510,473.75/1,104,217.42
6. Step 6: Final answer
   x = 856,677.76