Finding the Fourth Proportional to 2,105,748.23, 2,905,932.72 and 1,138,878.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,748.23 : 2,905,932.72 = 1,138,878.26 : x
2. Step 2: Convert to fraction form
   2,105,748.23/2,905,932.72 = 1,138,878.26/x
3. Step 3: Cross multiply
   2,105,748.23x = 2,905,932.72 × 1,138,878.26
4. Step 4: Simplify right side
   2,105,748.23x = 3,309,503,599,830.67
5. Step 5: Solve for x
   x = 3,309,503,599,830.67/2,105,748.23
6. Step 6: Final answer
   x = 1,571,652.09