Finding the Fourth Proportional to 2,111,026.47, 3,165,340.08 and 830,940.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,026.47 : 3,165,340.08 = 830,940.15 : x
2. Step 2: Convert to fraction form
   2,111,026.47/3,165,340.08 = 830,940.15/x
3. Step 3: Cross multiply
   2,111,026.47x = 3,165,340.08 × 830,940.15
4. Step 4: Simplify right side
   2,111,026.47x = 2,630,208,160,876.21
5. Step 5: Solve for x
   x = 2,630,208,160,876.21/2,111,026.47
6. Step 6: Final answer
   x = 1,245,938.03