Finding the Fourth Proportional to 107,218.48, 148,061.10 and 69,044.28

Step by Step Solution

1. Step 1: Write the proportion equation
   107,218.48 : 148,061.10 = 69,044.28 : x
2. Step 2: Convert to fraction form
   107,218.48/148,061.10 = 69,044.28/x
3. Step 3: Cross multiply
   107,218.48x = 148,061.10 × 69,044.28
4. Step 4: Simplify right side
   107,218.48x = 10,222,772,045.51
5. Step 5: Solve for x
   x = 10,222,772,045.51/107,218.48
6. Step 6: Final answer
   x = 95,345.24