Finding the Fourth Proportional to 6,269,686.47, 8,648,492.92 and 3,942,888.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,269,686.47 : 8,648,492.92 = 3,942,888.37 : x
2. Step 2: Convert to fraction form
   6,269,686.47/8,648,492.92 = 3,942,888.37/x
3. Step 3: Cross multiply
   6,269,686.47x = 8,648,492.92 × 3,942,888.37
4. Step 4: Simplify right side
   6,269,686.47x = 34,100,042,120,816.89
5. Step 5: Solve for x
   x = 34,100,042,120,816.89/6,269,686.47
6. Step 6: Final answer
   x = 5,438,875.18