Finding the Fourth Proportional to 12,108,619,584.56, 18,172,199,866.85 and 5,480,903,118.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,108,619,584.56 : 18,172,199,866.85 = 5,480,903,118.84 : x
2. Step 2: Convert to fraction form
   12,108,619,584.56/18,172,199,866.85 = 5,480,903,118.84/x
3. Step 3: Cross multiply
   12,108,619,584.56x = 18,172,199,866.85 × 5,480,903,118.84
4. Step 4: Simplify right side
   12,108,619,584.56x = 99,600,066,926,333,067,264
5. Step 5: Solve for x
   x = 99,600,066,926,333,067,264/12,108,619,584.56
6. Step 6: Final answer
   x = 8,225,550,916.92