Finding the Fourth Proportional to 105,660,308.70, 147,622,101.30 and 105,660,308.70

Step by Step Solution

1. Step 1: Write the proportion equation
   105,660,308.70 : 147,622,101.30 = 105,660,308.70 : x
2. Step 2: Convert to fraction form
   105,660,308.70/147,622,101.30 = 105,660,308.70/x
3. Step 3: Cross multiply
   105,660,308.70x = 147,622,101.30 × 105,660,308.70
4. Step 4: Simplify right side
   105,660,308.70x = 15,597,796,794,300,674
5. Step 5: Solve for x
   x = 15,597,796,794,300,674/105,660,308.70
6. Step 6: Final answer
   x = 147,622,101.30