Finding the Fourth Proportional to 2,108,690.33, 2,909,996.60 and 1,178,398.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,690.33 : 2,909,996.60 = 1,178,398.07 : x
2. Step 2: Convert to fraction form
   2,108,690.33/2,909,996.60 = 1,178,398.07/x
3. Step 3: Cross multiply
   2,108,690.33x = 2,909,996.60 × 1,178,398.07
4. Step 4: Simplify right side
   2,108,690.33x = 3,429,134,356,704.59
5. Step 5: Solve for x
   x = 3,429,134,356,704.59/2,108,690.33
6. Step 6: Final answer
   x = 1,626,191.54