Finding the Fourth Proportional to 276,155,086.98, 381,102,099.47 and 150,715,328.49

Step by Step Solution

1. Step 1: Write the proportion equation
   276,155,086.98 : 381,102,099.47 = 150,715,328.49 : x
2. Step 2: Convert to fraction form
   276,155,086.98/381,102,099.47 = 150,715,328.49/x
3. Step 3: Cross multiply
   276,155,086.98x = 381,102,099.47 × 150,715,328.49
4. Step 4: Simplify right side
   276,155,086.98x = 57,437,928,109,096,128
5. Step 5: Solve for x
   x = 57,437,928,109,096,128/276,155,086.98
6. Step 6: Final answer
   x = 207,991,562.77