Finding the Fourth Proportional to 2,819,420.51, 3,890,696.23 and 1,530,233.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819,420.51 : 3,890,696.23 = 1,530,233.21 : x
2. Step 2: Convert to fraction form
   2,819,420.51/3,890,696.23 = 1,530,233.21/x
3. Step 3: Cross multiply
   2,819,420.51x = 3,890,696.23 × 1,530,233.21
4. Step 4: Simplify right side
   2,819,420.51x = 5,953,672,581,167.80
5. Step 5: Solve for x
   x = 5,953,672,581,167.80/2,819,420.51
6. Step 6: Final answer
   x = 2,111,665.34