Finding the Fourth Proportional to 208,976,946.18, 288,380,830.41 and 114,890,407.98

Step by Step Solution

1. Step 1: Write the proportion equation
   208,976,946.18 : 288,380,830.41 = 114,890,407.98 : x
2. Step 2: Convert to fraction form
   208,976,946.18/288,380,830.41 = 114,890,407.98/x
3. Step 3: Cross multiply
   208,976,946.18x = 288,380,830.41 × 114,890,407.98
4. Step 4: Simplify right side
   208,976,946.18x = 33,132,191,259,416,096
5. Step 5: Solve for x
   x = 33,132,191,259,416,096/208,976,946.18
6. Step 6: Final answer
   x = 158,544,719.24