Finding the Fourth Proportional to 109,404.63, 151,006.50 and 71,259.26

Step by Step Solution

1. Step 1: Write the proportion equation
   109,404.63 : 151,006.50 = 71,259.26 : x
2. Step 2: Convert to fraction form
   109,404.63/151,006.50 = 71,259.26/x
3. Step 3: Cross multiply
   109,404.63x = 151,006.50 × 71,259.26
4. Step 4: Simplify right side
   109,404.63x = 10,760,610,690.16
5. Step 5: Solve for x
   x = 10,760,610,690.16/109,404.63
6. Step 6: Final answer
   x = 98,356.08