Finding the Fourth Proportional to 204,623,499.42, 282,379,994.82 and 111,804,672.78

Step by Step Solution

1. Step 1: Write the proportion equation
   204,623,499.42 : 282,379,994.82 = 111,804,672.78 : x
2. Step 2: Convert to fraction form
   204,623,499.42/282,379,994.82 = 111,804,672.78/x
3. Step 3: Cross multiply
   204,623,499.42x = 282,379,994.82 × 111,804,672.78
4. Step 4: Simplify right side
   204,623,499.42x = 31,571,402,920,468,196
5. Step 5: Solve for x
   x = 31,571,402,920,468,196/204,623,499.42
6. Step 6: Final answer
   x = 154,290,211.09