Finding the Fourth Proportional to 78,072.99, 107,700.96 and 47,437.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,072.99 : 107,700.96 = 47,437.83 : x
2. Step 2: Convert to fraction form
   78,072.99/107,700.96 = 47,437.83/x
3. Step 3: Cross multiply
   78,072.99x = 107,700.96 × 47,437.83
4. Step 4: Simplify right side
   78,072.99x = 5,109,099,831.32
5. Step 5: Solve for x
   x = 5,109,099,831.32/78,072.99
6. Step 6: Final answer
   x = 65,440.04