Finding the Fourth Proportional to 9,908,662,384.10, 14,843,380,320.72 and 8,666,495,441.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908,662,384.10 : 14,843,380,320.72 = 8,666,495,441.26 : x
2. Step 2: Convert to fraction form
   9,908,662,384.10/14,843,380,320.72 = 8,666,495,441.26/x
3. Step 3: Cross multiply
   9,908,662,384.10x = 14,843,380,320.72 × 8,666,495,441.26
4. Step 4: Simplify right side
   9,908,662,384.10x = 128,640,087,882,369,679,360
5. Step 5: Solve for x
   x = 128,640,087,882,369,679,360/9,908,662,384.10
6. Step 6: Final answer
   x = 12,982,588,657.86