Finding the Fourth Proportional to 1,123,995.60, 1,551,136.56 and 614,730.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,995.60 : 1,551,136.56 = 614,730.72 : x
2. Step 2: Convert to fraction form
   1,123,995.60/1,551,136.56 = 614,730.72/x
3. Step 3: Cross multiply
   1,123,995.60x = 1,551,136.56 × 614,730.72
4. Step 4: Simplify right side
   1,123,995.60x = 953,531,294,347.12
5. Step 5: Solve for x
   x = 953,531,294,347.12/1,123,995.60
6. Step 6: Final answer
   x = 848,340.77