Finding the Fourth Proportional to 5,819,870.84, 8,031,825.42 and 3,528,128.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,819,870.84 : 8,031,825.42 = 3,528,128.12 : x
2. Step 2: Convert to fraction form
   5,819,870.84/8,031,825.42 = 3,528,128.12/x
3. Step 3: Cross multiply
   5,819,870.84x = 8,031,825.42 × 3,528,128.12
4. Step 4: Simplify right side
   5,819,870.84x = 28,337,309,119,232.81
5. Step 5: Solve for x
   x = 28,337,309,119,232.81/5,819,870.84
6. Step 6: Final answer
   x = 4,869,061.51