Finding the Fourth Proportional to 1,405,060.56, 1,939,030.52 and 861,091.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,060.56 : 1,939,030.52 = 861,091.26 : x
2. Step 2: Convert to fraction form
   1,405,060.56/1,939,030.52 = 861,091.26/x
3. Step 3: Cross multiply
   1,405,060.56x = 1,939,030.52 × 861,091.26
4. Step 4: Simplify right side
   1,405,060.56x = 1,669,682,222,068.43
5. Step 5: Solve for x
   x = 1,669,682,222,068.43/1,405,060.56
6. Step 6: Final answer
   x = 1,188,334.70