Finding the Fourth Proportional to 2,123,742.53, 3,184,570.71 and 909,147.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,742.53 : 3,184,570.71 = 909,147.42 : x
2. Step 2: Convert to fraction form
   2,123,742.53/3,184,570.71 = 909,147.42/x
3. Step 3: Cross multiply
   2,123,742.53x = 3,184,570.71 × 909,147.42
4. Step 4: Simplify right side
   2,123,742.53x = 2,895,244,244,804.07
5. Step 5: Solve for x
   x = 2,895,244,244,804.07/2,123,742.53
6. Step 6: Final answer
   x = 1,363,274.60