Finding the Fourth Proportional to 114,481.42, 157,978.74 and 63,490.16

Step by Step Solution

1. Step 1: Write the proportion equation
   114,481.42 : 157,978.74 = 63,490.16 : x
2. Step 2: Convert to fraction form
   114,481.42/157,978.74 = 63,490.16/x
3. Step 3: Cross multiply
   114,481.42x = 157,978.74 × 63,490.16
4. Step 4: Simplify right side
   114,481.42x = 10,030,095,479.20
5. Step 5: Solve for x
   x = 10,030,095,479.20/114,481.42
6. Step 6: Final answer
   x = 87,613.30