Finding the Fourth Proportional to 8,761,978.86, 13,144,213.53 and 2,697,215.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,761,978.86 : 13,144,213.53 = 2,697,215.10 : x
2. Step 2: Convert to fraction form
   8,761,978.86/13,144,213.53 = 2,697,215.10/x
3. Step 3: Cross multiply
   8,761,978.86x = 13,144,213.53 × 2,697,215.10
4. Step 4: Simplify right side
   8,761,978.86x = 35,452,771,210,740.30
5. Step 5: Solve for x
   x = 35,452,771,210,740.30/8,761,978.86
6. Step 6: Final answer
   x = 4,046,205.97