Finding the Fourth Proportional to 99,150.69, 148,685.24 and 49,212.45

Step by Step Solution

1. Step 1: Write the proportion equation
   99,150.69 : 148,685.24 = 49,212.45 : x
2. Step 2: Convert to fraction form
   99,150.69/148,685.24 = 49,212.45/x
3. Step 3: Cross multiply
   99,150.69x = 148,685.24 × 49,212.45
4. Step 4: Simplify right side
   99,150.69x = 7,317,164,693.18
5. Step 5: Solve for x
   x = 7,317,164,693.18/99,150.69
6. Step 6: Final answer
   x = 73,798.42