Finding the Fourth Proportional to 2,903,376.86, 4,354,783.72 and 881,638.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,903,376.86 : 4,354,783.72 = 881,638.28 : x
2. Step 2: Convert to fraction form
   2,903,376.86/4,354,783.72 = 881,638.28/x
3. Step 3: Cross multiply
   2,903,376.86x = 4,354,783.72 × 881,638.28
4. Step 4: Simplify right side
   2,903,376.86x = 3,839,344,028,672.80
5. Step 5: Solve for x
   x = 3,839,344,028,672.80/2,903,376.86
6. Step 6: Final answer
   x = 1,322,371.92