Finding the Fourth Proportional to 106,402.34, 146,845.60 and 79,498.16

Step by Step Solution

1. Step 1: Write the proportion equation
   106,402.34 : 146,845.60 = 79,498.16 : x
2. Step 2: Convert to fraction form
   106,402.34/146,845.60 = 79,498.16/x
3. Step 3: Cross multiply
   106,402.34x = 146,845.60 × 79,498.16
4. Step 4: Simplify right side
   106,402.34x = 11,673,955,004.10
5. Step 5: Solve for x
   x = 11,673,955,004.10/106,402.34
6. Step 6: Final answer
   x = 109,715.21