Finding the Fourth Proportional to 99,826.16, 149,746.56 and 28,745.92

Step by Step Solution

1. Step 1: Write the proportion equation
   99,826.16 : 149,746.56 = 28,745.92 : x
2. Step 2: Convert to fraction form
   99,826.16/149,746.56 = 28,745.92/x
3. Step 3: Cross multiply
   99,826.16x = 149,746.56 × 28,745.92
4. Step 4: Simplify right side
   99,826.16x = 4,304,602,634.04
5. Step 5: Solve for x
   x = 4,304,602,634.04/99,826.16
6. Step 6: Final answer
   x = 43,120.99