Finding the Fourth Proportional to 12,928,827,238.97, 17,842,221,814.56 and 7,502,942,756.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,928,827,238.97 : 17,842,221,814.56 = 7,502,942,756.07 : x
2. Step 2: Convert to fraction form
   12,928,827,238.97/17,842,221,814.56 = 7,502,942,756.07/x
3. Step 3: Cross multiply
   12,928,827,238.97x = 17,842,221,814.56 × 7,502,942,756.07
4. Step 4: Simplify right side
   12,928,827,238.97x = 133,869,168,915,747,094,528
5. Step 5: Solve for x
   x = 133,869,168,915,747,094,528/12,928,827,238.97
6. Step 6: Final answer
   x = 10,354,316,477.54