Finding the Fourth Proportional to 1,656,978.52, 2,286,608.58 and 931,826.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656,978.52 : 2,286,608.58 = 931,826.02 : x
2. Step 2: Convert to fraction form
   1,656,978.52/2,286,608.58 = 931,826.02/x
3. Step 3: Cross multiply
   1,656,978.52x = 2,286,608.58 × 931,826.02
4. Step 4: Simplify right side
   1,656,978.52x = 2,130,721,372,399.25
5. Step 5: Solve for x
   x = 2,130,721,372,399.25/1,656,978.52
6. Step 6: Final answer
   x = 1,285,907.66