Finding the Fourth Proportional to 2,157,086.82, 2,976,842.16 and 1,190,279.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,086.82 : 2,976,842.16 = 1,190,279.37 : x
2. Step 2: Convert to fraction form
   2,157,086.82/2,976,842.16 = 1,190,279.37/x
3. Step 3: Cross multiply
   2,157,086.82x = 2,976,842.16 × 1,190,279.37
4. Step 4: Simplify right side
   2,157,086.82x = 3,543,273,810,794.24
5. Step 5: Solve for x
   x = 3,543,273,810,794.24/2,157,086.82
6. Step 6: Final answer
   x = 1,642,619.93