Finding the Fourth Proportional to 134,568,326.50, 185,704,365.30 and 72,688,665.67

Step by Step Solution

1. Step 1: Write the proportion equation
   134,568,326.50 : 185,704,365.30 = 72,688,665.67 : x
2. Step 2: Convert to fraction form
   134,568,326.50/185,704,365.30 = 72,688,665.67/x
3. Step 3: Cross multiply
   134,568,326.50x = 185,704,365.30 × 72,688,665.67
4. Step 4: Simplify right side
   134,568,326.50x = 13,498,602,522,751,250
5. Step 5: Solve for x
   x = 13,498,602,522,751,250/134,568,326.50
6. Step 6: Final answer
   x = 100,310,398.99