Finding the Fourth Proportional to 2,105,566.34, 2,905,673.19 and 1,138,697.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,566.34 : 2,905,673.19 = 1,138,697.69 : x
2. Step 2: Convert to fraction form
   2,105,566.34/2,905,673.19 = 1,138,697.69/x
3. Step 3: Cross multiply
   2,105,566.34x = 2,905,673.19 × 1,138,697.69
4. Step 4: Simplify right side
   2,105,566.34x = 3,308,683,349,347.93
5. Step 5: Solve for x
   x = 3,308,683,349,347.93/2,105,566.34
6. Step 6: Final answer
   x = 1,571,398.29