Finding the Fourth Proportional to 101,189,016.70, 139,640,889.83 and 54,779,270.67

Step by Step Solution

1. Step 1: Write the proportion equation
   101,189,016.70 : 139,640,889.83 = 54,779,270.67 : x
2. Step 2: Convert to fraction form
   101,189,016.70/139,640,889.83 = 54,779,270.67/x
3. Step 3: Cross multiply
   101,189,016.70x = 139,640,889.83 × 54,779,270.67
4. Step 4: Simplify right side
   101,189,016.70x = 7,649,426,100,597,221
5. Step 5: Solve for x
   x = 7,649,426,100,597,221/101,189,016.70
6. Step 6: Final answer
   x = 75,595,418.85