Finding the Fourth Proportional to 2,983,905.30, 4,476,441.15 and 1,278,045.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983,905.30 : 4,476,441.15 = 1,278,045.30 : x
2. Step 2: Convert to fraction form
   2,983,905.30/4,476,441.15 = 1,278,045.30/x
3. Step 3: Cross multiply
   2,983,905.30x = 4,476,441.15 × 1,278,045.30
4. Step 4: Simplify right side
   2,983,905.30x = 5,721,094,572,484.10
5. Step 5: Solve for x
   x = 5,721,094,572,484.10/2,983,905.30
6. Step 6: Final answer
   x = 1,917,317.74