Finding the Fourth Proportional to 7,436,428.85, 10,262,041.52 and 4,128,651.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,436,428.85 : 10,262,041.52 = 4,128,651.49 : x
2. Step 2: Convert to fraction form
   7,436,428.85/10,262,041.52 = 4,128,651.49/x
3. Step 3: Cross multiply
   7,436,428.85x = 10,262,041.52 × 4,128,651.49
4. Step 4: Simplify right side
   7,436,428.85x = 42,368,393,012,444.22
5. Step 5: Solve for x
   x = 42,368,393,012,444.22/7,436,428.85
6. Step 6: Final answer
   x = 5,697,411.20