Finding the Fourth Proportional to 10,852,956.90, 16,281,768.15 and 3,280,688.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,852,956.90 : 16,281,768.15 = 3,280,688.10 : x
2. Step 2: Convert to fraction form
   10,852,956.90/16,281,768.15 = 3,280,688.10/x
3. Step 3: Cross multiply
   10,852,956.90x = 16,281,768.15 × 3,280,688.10
4. Step 4: Simplify right side
   10,852,956.90x = 53,415,403,016,664.02
5. Step 5: Solve for x
   x = 53,415,403,016,664.02/10,852,956.90
6. Step 6: Final answer
   x = 4,921,737.32