Finding the Fourth Proportional to 2,820,746.79, 3,892,521.42 and 1,531,557.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820,746.79 : 3,892,521.42 = 1,531,557.68 : x
2. Step 2: Convert to fraction form
   2,820,746.79/3,892,521.42 = 1,531,557.68/x
3. Step 3: Cross multiply
   2,820,746.79x = 3,892,521.42 × 1,531,557.68
4. Step 4: Simplify right side
   2,820,746.79x = 5,961,621,055,902.90
5. Step 5: Solve for x
   x = 5,961,621,055,902.90/2,820,746.79
6. Step 6: Final answer
   x = 2,113,490.33