Finding the Fourth Proportional to 258,663,043.91, 356,901,714.76 and 148,633,499.27

Step by Step Solution

1. Step 1: Write the proportion equation
   258,663,043.91 : 356,901,714.76 = 148,633,499.27 : x
2. Step 2: Convert to fraction form
   258,663,043.91/356,901,714.76 = 148,633,499.27/x
3. Step 3: Cross multiply
   258,663,043.91x = 356,901,714.76 × 148,633,499.27
4. Step 4: Simplify right side
   258,663,043.91x = 53,047,550,761,040,832
5. Step 5: Solve for x
   x = 53,047,550,761,040,832/258,663,043.91
6. Step 6: Final answer
   x = 205,083,609.78