Finding the Fourth Proportional to 106,111.47, 146,333.72 and 69,748.68

Step by Step Solution

1. Step 1: Write the proportion equation
   106,111.47 : 146,333.72 = 69,748.68 : x
2. Step 2: Convert to fraction form
   106,111.47/146,333.72 = 69,748.68/x
3. Step 3: Cross multiply
   106,111.47x = 146,333.72 × 69,748.68
4. Step 4: Simplify right side
   106,111.47x = 10,206,583,460.75
5. Step 5: Solve for x
   x = 10,206,583,460.75/106,111.47
6. Step 6: Final answer
   x = 96,187.37