Finding the Fourth Proportional to 99,149, 148,708.38 and 39,969.32

Step by Step Solution

1. Step 1: Write the proportion equation
   99,149 : 148,708.38 = 39,969.32 : x
2. Step 2: Convert to fraction form
   99,149/148,708.38 = 39,969.32/x
3. Step 3: Cross multiply
   99,149x = 148,708.38 × 39,969.32
4. Step 4: Simplify right side
   99,149x = 5,943,772,826.90
5. Step 5: Solve for x
   x = 5,943,772,826.90/99,149
6. Step 6: Final answer
   x = 59,947.88