Finding the Fourth Proportional to 49,171,042.70, 68,705,090.50 and 49,171,042.70

Step by Step Solution

1. Step 1: Write the proportion equation
   49,171,042.70 : 68,705,090.50 = 49,171,042.70 : x
2. Step 2: Convert to fraction form
   49,171,042.70/68,705,090.50 = 49,171,042.70/x
3. Step 3: Cross multiply
   49,171,042.70x = 68,705,090.50 × 49,171,042.70
4. Step 4: Simplify right side
   49,171,042.70x = 3,378,300,938,682,864.50
5. Step 5: Solve for x
   x = 3,378,300,938,682,864.50/49,171,042.70
6. Step 6: Final answer
   x = 68,705,090.50