Finding the Fourth Proportional to 2,891,384.72, 3,990,198.12 and 1,602,103.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891,384.72 : 3,990,198.12 = 1,602,103.76 : x
2. Step 2: Convert to fraction form
   2,891,384.72/3,990,198.12 = 1,602,103.76/x
3. Step 3: Cross multiply
   2,891,384.72x = 3,990,198.12 × 1,602,103.76
4. Step 4: Simplify right side
   2,891,384.72x = 6,392,711,411,196.93
5. Step 5: Solve for x
   x = 6,392,711,411,196.93/2,891,384.72
6. Step 6: Final answer
   x = 2,210,951.51