Finding the Fourth Proportional to 99,479.61, 149,214.56 and 37,145.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,479.61 : 149,214.56 = 37,145.25 : x
2. Step 2: Convert to fraction form
   99,479.61/149,214.56 = 37,145.25/x
3. Step 3: Cross multiply
   99,479.61x = 149,214.56 × 37,145.25
4. Step 4: Simplify right side
   99,479.61x = 5,542,611,949.11
5. Step 5: Solve for x
   x = 5,542,611,949.11/99,479.61
6. Step 6: Final answer
   x = 55,716.06