Finding the Fourth Proportional to 1,123,667.68, 1,550,650.80 and 614,364.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,667.68 : 1,550,650.80 = 614,364.64 : x
2. Step 2: Convert to fraction form
   1,123,667.68/1,550,650.80 = 614,364.64/x
3. Step 3: Cross multiply
   1,123,667.68x = 1,550,650.80 × 614,364.64
4. Step 4: Simplify right side
   1,123,667.68x = 952,665,020,507.71
5. Step 5: Solve for x
   x = 952,665,020,507.71/1,123,667.68
6. Step 6: Final answer
   x = 847,817.41