Finding the Fourth Proportional to 2,157,046.61, 2,976,786.61 and 1,190,239.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,046.61 : 2,976,786.61 = 1,190,239.18 : x
2. Step 2: Convert to fraction form
   2,157,046.61/2,976,786.61 = 1,190,239.18/x
3. Step 3: Cross multiply
   2,157,046.61x = 2,976,786.61 × 1,190,239.18
4. Step 4: Simplify right side
   2,157,046.61x = 3,543,088,043,303.82
5. Step 5: Solve for x
   x = 3,543,088,043,303.82/2,157,046.61
6. Step 6: Final answer
   x = 1,642,564.44