Finding the Fourth Proportional to 2,084,128, 2,876,096.64 and 1,178,690.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084,128 : 2,876,096.64 = 1,178,690.56 : x
2. Step 2: Convert to fraction form
   2,084,128/2,876,096.64 = 1,178,690.56/x
3. Step 3: Cross multiply
   2,084,128x = 2,876,096.64 × 1,178,690.56
4. Step 4: Simplify right side
   2,084,128x = 3,390,027,959,215.72
5. Step 5: Solve for x
   x = 3,390,027,959,215.72/2,084,128
6. Step 6: Final answer
   x = 1,626,592.97