Finding the Fourth Proportional to 99,100.48, 148,613.46 and 39,916

Step by Step Solution

1. Step 1: Write the proportion equation
   99,100.48 : 148,613.46 = 39,916 : x
2. Step 2: Convert to fraction form
   99,100.48/148,613.46 = 39,916/x
3. Step 3: Cross multiply
   99,100.48x = 148,613.46 × 39,916
4. Step 4: Simplify right side
   99,100.48x = 5,932,054,869.36
5. Step 5: Solve for x
   x = 5,932,054,869.36/99,100.48
6. Step 6: Final answer
   x = 59,858.99