Finding the Fourth Proportional to 99,172.18, 148,758.30 and 25,300.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,172.18 : 148,758.30 = 25,300.18 : x
2. Step 2: Convert to fraction form
   99,172.18/148,758.30 = 25,300.18/x
3. Step 3: Cross multiply
   99,172.18x = 148,758.30 × 25,300.18
4. Step 4: Simplify right side
   99,172.18x = 3,763,611,766.49
5. Step 5: Solve for x
   x = 3,763,611,766.49/99,172.18
6. Step 6: Final answer
   x = 37,950.28