Finding the Fourth Proportional to 144,612,796.05, 199,565,041.41 and 78,532,831.62

Step by Step Solution

1. Step 1: Write the proportion equation
   144,612,796.05 : 199,565,041.41 = 78,532,831.62 : x
2. Step 2: Convert to fraction form
   144,612,796.05/199,565,041.41 = 78,532,831.62/x
3. Step 3: Cross multiply
   144,612,796.05x = 199,565,041.41 × 78,532,831.62
4. Step 4: Simplify right side
   144,612,796.05x = 15,672,407,794,289,858
5. Step 5: Solve for x
   x = 15,672,407,794,289,858/144,612,796.05
6. Step 6: Final answer
   x = 108,374,972.49