Finding the Fourth Proportional to 3,831,705.30, 5,287,764.33 and 2,112,788.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,831,705.30 : 5,287,764.33 = 2,112,788.10 : x
2. Step 2: Convert to fraction form
   3,831,705.30/5,287,764.33 = 2,112,788.10/x
3. Step 3: Cross multiply
   3,831,705.30x = 5,287,764.33 × 2,112,788.10
4. Step 4: Simplify right side
   3,831,705.30x = 11,171,925,552,028.47
5. Step 5: Solve for x
   x = 11,171,925,552,028.47/3,831,705.30
6. Step 6: Final answer
   x = 2,915,653.65