Finding the Fourth Proportional to 2,233,688.10, 3,346,838.55 and 1,285,404.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233,688.10 : 3,346,838.55 = 1,285,404.90 : x
2. Step 2: Convert to fraction form
   2,233,688.10/3,346,838.55 = 1,285,404.90/x
3. Step 3: Cross multiply
   2,233,688.10x = 3,346,838.55 × 1,285,404.90
4. Step 4: Simplify right side
   2,233,688.10x = 4,302,042,671,678.89
5. Step 5: Solve for x
   x = 4,302,042,671,678.89/2,233,688.10
6. Step 6: Final answer
   x = 1,925,981.82