Finding the Fourth Proportional to 5,619,151,608.66, 8,425,969,308.55 and 2,779,665,141.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,619,151,608.66 : 8,425,969,308.55 = 2,779,665,141.25 : x
2. Step 2: Convert to fraction form
   5,619,151,608.66/8,425,969,308.55 = 2,779,665,141.25/x
3. Step 3: Cross multiply
   5,619,151,608.66x = 8,425,969,308.55 × 2,779,665,141.25
4. Step 4: Simplify right side
   5,619,151,608.66x = 23,421,373,168,186,175,488
5. Step 5: Solve for x
   x = 23,421,373,168,186,175,488/5,619,151,608.66
6. Step 6: Final answer
   x = 4,168,133,341.00