Finding the Fourth Proportional to 81,769,178.01, 122,708,311.46 and 42,413,702.94

Step by Step Solution

1. Step 1: Write the proportion equation
   81,769,178.01 : 122,708,311.46 = 42,413,702.94 : x
2. Step 2: Convert to fraction form
   81,769,178.01/122,708,311.46 = 42,413,702.94/x
3. Step 3: Cross multiply
   81,769,178.01x = 122,708,311.46 × 42,413,702.94
4. Step 4: Simplify right side
   81,769,178.01x = 5,204,513,870,321,369
5. Step 5: Solve for x
   x = 5,204,513,870,321,369/81,769,178.01
6. Step 6: Final answer
   x = 63,648,846.63