Finding the Fourth Proportional to 4,756,243.86, 7,139,410.82 and 4,212,665.01

Step by Step Solution

1. Step 1: Write the proportion equation
   4,756,243.86 : 7,139,410.82 = 4,212,665.01 : x
2. Step 2: Convert to fraction form
   4,756,243.86/7,139,410.82 = 4,212,665.01/x
3. Step 3: Cross multiply
   4,756,243.86x = 7,139,410.82 × 4,212,665.01
4. Step 4: Simplify right side
   4,756,243.86x = 30,075,946,132,366.08
5. Step 5: Solve for x
   x = 30,075,946,132,366.08/4,756,243.86
6. Step 6: Final answer
   x = 6,323,465.96