Finding the Fourth Proportional to 109,485.86, 151,131.58 and 71,762.54

Step by Step Solution

1. Step 1: Write the proportion equation
   109,485.86 : 151,131.58 = 71,762.54 : x
2. Step 2: Convert to fraction form
   109,485.86/151,131.58 = 71,762.54/x
3. Step 3: Cross multiply
   109,485.86x = 151,131.58 × 71,762.54
4. Step 4: Simplify right side
   109,485.86x = 10,845,586,055.01
5. Step 5: Solve for x
   x = 10,845,586,055.01/109,485.86
6. Step 6: Final answer
   x = 99,059.24