Finding the Fourth Proportional to 276,164,418.96, 381,106,116.72 and 152,404,211.16

Step by Step Solution

1. Step 1: Write the proportion equation
   276,164,418.96 : 381,106,116.72 = 152,404,211.16 : x
2. Step 2: Convert to fraction form
   276,164,418.96/381,106,116.72 = 152,404,211.16/x
3. Step 3: Cross multiply
   276,164,418.96x = 381,106,116.72 × 152,404,211.16
4. Step 4: Simplify right side
   276,164,418.96x = 58,082,177,086,962,488
5. Step 5: Solve for x
   x = 58,082,177,086,962,488/276,164,418.96
6. Step 6: Final answer
   x = 210,317,380.15