Finding the Fourth Proportional to 95,566.42, 131,889.63 and 53,128.90

Step by Step Solution

1. Step 1: Write the proportion equation
   95,566.42 : 131,889.63 = 53,128.90 : x
2. Step 2: Convert to fraction form
   95,566.42/131,889.63 = 53,128.90/x
3. Step 3: Cross multiply
   95,566.42x = 131,889.63 × 53,128.90
4. Step 4: Simplify right side
   95,566.42x = 7,007,150,963.31
5. Step 5: Solve for x
   x = 7,007,150,963.31/95,566.42
6. Step 6: Final answer
   x = 73,322.31