Finding the Fourth Proportional to 2,499,656.29, 3,749,678.84 and 816,929.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,656.29 : 3,749,678.84 = 816,929.89 : x
2. Step 2: Convert to fraction form
   2,499,656.29/3,749,678.84 = 816,929.89/x
3. Step 3: Cross multiply
   2,499,656.29x = 3,749,678.84 × 816,929.89
4. Step 4: Simplify right side
   2,499,656.29x = 3,063,224,722,296.53
5. Step 5: Solve for x
   x = 3,063,224,722,296.53/2,499,656.29
6. Step 6: Final answer
   x = 1,225,458.37