Finding the Fourth Proportional to 11,780,718.28, 17,669,109.12 and 3,261,915.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,780,718.28 : 17,669,109.12 = 3,261,915.88 : x
2. Step 2: Convert to fraction form
   11,780,718.28/17,669,109.12 = 3,261,915.88/x
3. Step 3: Cross multiply
   11,780,718.28x = 17,669,109.12 × 3,261,915.88
4. Step 4: Simplify right side
   11,780,718.28x = 57,635,147,623,980.83
5. Step 5: Solve for x
   x = 57,635,147,623,980.83/11,780,718.28
6. Step 6: Final answer
   x = 4,892,328.83