Finding the Fourth Proportional to 99,962.21, 149,969.57 and 35,926.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,962.21 : 149,969.57 = 35,926.82 : x
2. Step 2: Convert to fraction form
   99,962.21/149,969.57 = 35,926.82/x
3. Step 3: Cross multiply
   99,962.21x = 149,969.57 × 35,926.82
4. Step 4: Simplify right side
   99,962.21x = 5,387,928,817.39
5. Step 5: Solve for x
   x = 5,387,928,817.39/99,962.21
6. Step 6: Final answer
   x = 53,899.66