Finding the Fourth Proportional to 121,606,419.05, 167,828,860.71 and 69,403,264.86

Step by Step Solution

1. Step 1: Write the proportion equation
   121,606,419.05 : 167,828,860.71 = 69,403,264.86 : x
2. Step 2: Convert to fraction form
   121,606,419.05/167,828,860.71 = 69,403,264.86/x
3. Step 3: Cross multiply
   121,606,419.05x = 167,828,860.71 × 69,403,264.86
4. Step 4: Simplify right side
   121,606,419.05x = 11,647,870,871,008,178
5. Step 5: Solve for x
   x = 11,647,870,871,008,178/121,606,419.05
6. Step 6: Final answer
   x = 95,783,355.53