Finding the Fourth Proportional to 99,120.96, 148,662.54 and 28,043.01

Step by Step Solution

1. Step 1: Write the proportion equation
   99,120.96 : 148,662.54 = 28,043.01 : x
2. Step 2: Convert to fraction form
   99,120.96/148,662.54 = 28,043.01/x
3. Step 3: Cross multiply
   99,120.96x = 148,662.54 × 28,043.01
4. Step 4: Simplify right side
   99,120.96x = 4,168,945,095.85
5. Step 5: Solve for x
   x = 4,168,945,095.85/99,120.96
6. Step 6: Final answer
   x = 42,059.17