Finding the Fourth Proportional to 99,264.42, 148,924.42 and 40,141.60

Step by Step Solution

1. Step 1: Write the proportion equation
   99,264.42 : 148,924.42 = 40,141.60 : x
2. Step 2: Convert to fraction form
   99,264.42/148,924.42 = 40,141.60/x
3. Step 3: Cross multiply
   99,264.42x = 148,924.42 × 40,141.60
4. Step 4: Simplify right side
   99,264.42x = 5,978,064,497.87
5. Step 5: Solve for x
   x = 5,978,064,497.87/99,264.42
6. Step 6: Final answer
   x = 60,223.64