Finding the Fourth Proportional to 259,760,499.94, 358,369,711.59 and 148,257,529.66

Step by Step Solution

1. Step 1: Write the proportion equation
   259,760,499.94 : 358,369,711.59 = 148,257,529.66 : x
2. Step 2: Convert to fraction form
   259,760,499.94/358,369,711.59 = 148,257,529.66/x
3. Step 3: Cross multiply
   259,760,499.94x = 358,369,711.59 × 148,257,529.66
4. Step 4: Simplify right side
   259,760,499.94x = 53,131,008,145,300,064
5. Step 5: Solve for x
   x = 53,131,008,145,300,064/259,760,499.94
6. Step 6: Final answer
   x = 204,538,442.75