Finding the Fourth Proportional to 2,505,365.55, 3,758,015.52 and 612,123.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505,365.55 : 3,758,015.52 = 612,123.39 : x
2. Step 2: Convert to fraction form
   2,505,365.55/3,758,015.52 = 612,123.39/x
3. Step 3: Cross multiply
   2,505,365.55x = 3,758,015.52 × 612,123.39
4. Step 4: Simplify right side
   2,505,365.55x = 2,300,369,199,775.01
5. Step 5: Solve for x
   x = 2,300,369,199,775.01/2,505,365.55
6. Step 6: Final answer
   x = 918,177.07