Finding the Fourth Proportional to 122,026,923.72, 168,400,443.24 and 71,794,648.71

Step by Step Solution

1. Step 1: Write the proportion equation
   122,026,923.72 : 168,400,443.24 = 71,794,648.71 : x
2. Step 2: Convert to fraction form
   122,026,923.72/168,400,443.24 = 71,794,648.71/x
3. Step 3: Cross multiply
   122,026,923.72x = 168,400,443.24 × 71,794,648.71
4. Step 4: Simplify right side
   122,026,923.72x = 12,090,250,665,024,094
5. Step 5: Solve for x
   x = 12,090,250,665,024,094/122,026,923.72
6. Step 6: Final answer
   x = 99,078,550.02