Finding the Fourth Proportional to 12,108,619,584.24, 18,172,199,866.38 and 5,480,903,118.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,108,619,584.24 : 18,172,199,866.38 = 5,480,903,118.52 : x
2. Step 2: Convert to fraction form
   12,108,619,584.24/18,172,199,866.38 = 5,480,903,118.52/x
3. Step 3: Cross multiply
   12,108,619,584.24x = 18,172,199,866.38 × 5,480,903,118.52
4. Step 4: Simplify right side
   12,108,619,584.24x = 99,600,066,918,078,218,240
5. Step 5: Solve for x
   x = 99,600,066,918,078,218,240/12,108,619,584.24
6. Step 6: Final answer
   x = 8,225,550,916.45