Finding the Fourth Proportional to 188,129,097.15, 282,083,814.59 and 72,979,085.67

Step by Step Solution

1. Step 1: Write the proportion equation
   188,129,097.15 : 282,083,814.59 = 72,979,085.67 : x
2. Step 2: Convert to fraction form
   188,129,097.15/282,083,814.59 = 72,979,085.67/x
3. Step 3: Cross multiply
   188,129,097.15x = 282,083,814.59 × 72,979,085.67
4. Step 4: Simplify right side
   188,129,097.15x = 20,586,218,870,719,108
5. Step 5: Solve for x
   x = 20,586,218,870,719,108/188,129,097.15
6. Step 6: Final answer
   x = 109,426,022.78