Finding the Fourth Proportional to 5,262,059.37, 7,893,837.28 and 1,619,091.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,262,059.37 : 7,893,837.28 = 1,619,091.31 : x
2. Step 2: Convert to fraction form
   5,262,059.37/7,893,837.28 = 1,619,091.31/x
3. Step 3: Cross multiply
   5,262,059.37x = 7,893,837.28 × 1,619,091.31
4. Step 4: Simplify right side
   5,262,059.37x = 12,780,843,342,602.04
5. Step 5: Solve for x
   x = 12,780,843,342,602.04/5,262,059.37
6. Step 6: Final answer
   x = 2,428,867.19