Finding the Fourth Proportional to 129,482,087.94, 178,683,196.02 and 70,743,491.82

Step by Step Solution

1. Step 1: Write the proportion equation
   129,482,087.94 : 178,683,196.02 = 70,743,491.82 : x
2. Step 2: Convert to fraction form
   129,482,087.94/178,683,196.02 = 70,743,491.82/x
3. Step 3: Cross multiply
   129,482,087.94x = 178,683,196.02 × 70,743,491.82
4. Step 4: Simplify right side
   129,482,087.94x = 12,640,673,216,012,326
5. Step 5: Solve for x
   x = 12,640,673,216,012,326/129,482,087.94
6. Step 6: Final answer
   x = 97,624,879.37