Finding the Fourth Proportional to 7,499,074,357.89, 11,251,112,078.07 and 4,987,902,459.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499,074,357.89 : 11,251,112,078.07 = 4,987,902,459.69 : x
2. Step 2: Convert to fraction form
   7,499,074,357.89/11,251,112,078.07 = 4,987,902,459.69/x
3. Step 3: Cross multiply
   7,499,074,357.89x = 11,251,112,078.07 × 4,987,902,459.69
4. Step 4: Simplify right side
   7,499,074,357.89x = 56,119,449,608,428,281,856
5. Step 5: Solve for x
   x = 56,119,449,608,428,281,856/7,499,074,357.89
6. Step 6: Final answer
   x = 7,483,516,888.91