Finding the Fourth Proportional to 3,860,196.35, 5,786,254.14 and 1,300,526.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,860,196.35 : 5,786,254.14 = 1,300,526.79 : x
2. Step 2: Convert to fraction form
   3,860,196.35/5,786,254.14 = 1,300,526.79/x
3. Step 3: Cross multiply
   3,860,196.35x = 5,786,254.14 × 1,300,526.79
4. Step 4: Simplify right side
   3,860,196.35x = 7,525,178,496,242.98
5. Step 5: Solve for x
   x = 7,525,178,496,242.98/3,860,196.35
6. Step 6: Final answer
   x = 1,949,428.95