Finding the Fourth Proportional to 122,952.98, 169,753.59 and 100,345.98

Step by Step Solution

1. Step 1: Write the proportion equation
   122,952.98 : 169,753.59 = 100,345.98 : x
2. Step 2: Convert to fraction form
   122,952.98/169,753.59 = 100,345.98/x
3. Step 3: Cross multiply
   122,952.98x = 169,753.59 × 100,345.98
4. Step 4: Simplify right side
   122,952.98x = 17,034,090,983.64
5. Step 5: Solve for x
   x = 17,034,090,983.64/122,952.98
6. Step 6: Final answer
   x = 138,541.50