Finding the Fourth Proportional to 2,114,905.21, 2,918,572.89 and 1,148,036.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114,905.21 : 2,918,572.89 = 1,148,036.15 : x
2. Step 2: Convert to fraction form
   2,114,905.21/2,918,572.89 = 1,148,036.15/x
3. Step 3: Cross multiply
   2,114,905.21x = 2,918,572.89 × 1,148,036.15
4. Step 4: Simplify right side
   2,114,905.21x = 3,350,627,181,648.95
5. Step 5: Solve for x
   x = 3,350,627,181,648.95/2,114,905.21
6. Step 6: Final answer
   x = 1,584,291.90