Finding the Fourth Proportional to 97,224.86, 146,362.56 and 87,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   97,224.86 : 146,362.56 = 87,448.72 : x
2. Step 2: Convert to fraction form
   97,224.86/146,362.56 = 87,448.72/x
3. Step 3: Cross multiply
   97,224.86x = 146,362.56 × 87,448.72
4. Step 4: Simplify right side
   97,224.86x = 12,799,218,527.92
5. Step 5: Solve for x
   x = 12,799,218,527.92/97,224.86
6. Step 6: Final answer
   x = 131,645.53