Finding the Fourth Proportional to 131,007.36, 196,482.24 and 52,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   131,007.36 : 196,482.24 = 52,106.88 : x
2. Step 2: Convert to fraction form
   131,007.36/196,482.24 = 52,106.88/x
3. Step 3: Cross multiply
   131,007.36x = 196,482.24 × 52,106.88
4. Step 4: Simplify right side
   131,007.36x = 10,238,076,501.81
5. Step 5: Solve for x
   x = 10,238,076,501.81/131,007.36
6. Step 6: Final answer
   x = 78,148.87