Finding the Fourth Proportional to 83,678.06, 115,471.57 and 47,373.86

Step by Step Solution

1. Step 1: Write the proportion equation
   83,678.06 : 115,471.57 = 47,373.86 : x
2. Step 2: Convert to fraction form
   83,678.06/115,471.57 = 47,373.86/x
3. Step 3: Cross multiply
   83,678.06x = 115,471.57 × 47,373.86
4. Step 4: Simplify right side
   83,678.06x = 5,470,333,991.16
5. Step 5: Solve for x
   x = 5,470,333,991.16/83,678.06
6. Step 6: Final answer
   x = 65,373.58