Finding the Fourth Proportional to 105,024.64, 144,883.98 and 71,045.02

Step by Step Solution

1. Step 1: Write the proportion equation
   105,024.64 : 144,883.98 = 71,045.02 : x
2. Step 2: Convert to fraction form
   105,024.64/144,883.98 = 71,045.02/x
3. Step 3: Cross multiply
   105,024.64x = 144,883.98 × 71,045.02
4. Step 4: Simplify right side
   105,024.64x = 10,293,285,256.78
5. Step 5: Solve for x
   x = 10,293,285,256.78/105,024.64
6. Step 6: Final answer
   x = 98,008.29