Finding the Fourth Proportional to 2,263,602.47, 3,395,405.93 and 915,776.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263,602.47 : 3,395,405.93 = 915,776.55 : x
2. Step 2: Convert to fraction form
   2,263,602.47/3,395,405.93 = 915,776.55/x
3. Step 3: Cross multiply
   2,263,602.47x = 3,395,405.93 × 915,776.55
4. Step 4: Simplify right side
   2,263,602.47x = 3,109,433,123,846.06
5. Step 5: Solve for x
   x = 3,109,433,123,846.06/2,263,602.47
6. Step 6: Final answer
   x = 1,373,665.73