Finding the Fourth Proportional to 5,012,978,513.42, 7,519,717,536.47 and 1,907,801,817.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,012,978,513.42 : 7,519,717,536.47 = 1,907,801,817.86 : x
2. Step 2: Convert to fraction form
   5,012,978,513.42/7,519,717,536.47 = 1,907,801,817.86/x
3. Step 3: Cross multiply
   5,012,978,513.42x = 7,519,717,536.47 × 1,907,801,817.86
4. Step 4: Simplify right side
   5,012,978,513.42x = 14,346,130,785,888,077,824
5. Step 5: Solve for x
   x = 14,346,130,785,888,077,824/5,012,978,513.42
6. Step 6: Final answer
   x = 2,861,797,780.99