Finding the Fourth Proportional to 2,188,366.29, 3,020,449.37 and 1,283,239.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,366.29 : 3,020,449.37 = 1,283,239.89 : x
2. Step 2: Convert to fraction form
   2,188,366.29/3,020,449.37 = 1,283,239.89/x
3. Step 3: Cross multiply
   2,188,366.29x = 3,020,449.37 × 1,283,239.89
4. Step 4: Simplify right side
   2,188,366.29x = 3,875,961,110,893.17
5. Step 5: Solve for x
   x = 3,875,961,110,893.17/2,188,366.29
6. Step 6: Final answer
   x = 1,771,166.52