Finding the Fourth Proportional to 3,387,868.86, 5,080,725.52 and 1,112,865.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,387,868.86 : 5,080,725.52 = 1,112,865.45 : x
2. Step 2: Convert to fraction form
   3,387,868.86/5,080,725.52 = 1,112,865.45/x
3. Step 3: Cross multiply
   3,387,868.86x = 5,080,725.52 × 1,112,865.45
4. Step 4: Simplify right side
   3,387,868.86x = 5,654,163,892,141.28
5. Step 5: Solve for x
   x = 5,654,163,892,141.28/3,387,868.86
6. Step 6: Final answer
   x = 1,668,944.14