Finding the Fourth Proportional to 2,105,715.58, 2,905,887.45 and 1,138,845.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,715.58 : 2,905,887.45 = 1,138,845.86 : x
2. Step 2: Convert to fraction form
   2,105,715.58/2,905,887.45 = 1,138,845.86/x
3. Step 3: Cross multiply
   2,105,715.58x = 2,905,887.45 × 1,138,845.86
4. Step 4: Simplify right side
   2,105,715.58x = 3,309,357,892,058.46
5. Step 5: Solve for x
   x = 3,309,357,892,058.46/2,105,715.58
6. Step 6: Final answer
   x = 1,571,607.26