Finding the Fourth Proportional to 99,959.27, 149,959.82 and 28,881.77

Step by Step Solution

1. Step 1: Write the proportion equation
   99,959.27 : 149,959.82 = 28,881.77 : x
2. Step 2: Convert to fraction form
   99,959.27/149,959.82 = 28,881.77/x
3. Step 3: Cross multiply
   99,959.27x = 149,959.82 × 28,881.77
4. Step 4: Simplify right side
   99,959.27x = 4,331,104,352.89
5. Step 5: Solve for x
   x = 4,331,104,352.89/99,959.27
6. Step 6: Final answer
   x = 43,328.69