Finding the Fourth Proportional to 2,602,336.83, 3,903,702.12 and 805,402.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602,336.83 : 3,903,702.12 = 805,402.05 : x
2. Step 2: Convert to fraction form
   2,602,336.83/3,903,702.12 = 805,402.05/x
3. Step 3: Cross multiply
   2,602,336.83x = 3,903,702.12 × 805,402.05
4. Step 4: Simplify right side
   2,602,336.83x = 3,144,049,690,037.35
5. Step 5: Solve for x
   x = 3,144,049,690,037.35/2,602,336.83
6. Step 6: Final answer
   x = 1,208,164.01