Finding the Fourth Proportional to 99,846.84, 149,665.32 and 39,851.76

Step by Step Solution

1. Step 1: Write the proportion equation
   99,846.84 : 149,665.32 = 39,851.76 : x
2. Step 2: Convert to fraction form
   99,846.84/149,665.32 = 39,851.76/x
3. Step 3: Cross multiply
   99,846.84x = 149,665.32 × 39,851.76
4. Step 4: Simplify right side
   99,846.84x = 5,964,426,412.96
5. Step 5: Solve for x
   x = 5,964,426,412.96/99,846.84
6. Step 6: Final answer
   x = 59,735.76