Finding the Fourth Proportional to 109,728.23, 151,490.22 and 69,476.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,728.23 : 151,490.22 = 69,476.50 : x
2. Step 2: Convert to fraction form
   109,728.23/151,490.22 = 69,476.50/x
3. Step 3: Cross multiply
   109,728.23x = 151,490.22 × 69,476.50
4. Step 4: Simplify right side
   109,728.23x = 10,525,009,165.00
5. Step 5: Solve for x
   x = 10,525,009,165.00/109,728.23
6. Step 6: Final answer
   x = 95,918.88