Finding the Fourth Proportional to 105,706, 145,887.24 and 60,994

Step by Step Solution

1. Step 1: Write the proportion equation
   105,706 : 145,887.24 = 60,994 : x
2. Step 2: Convert to fraction form
   105,706/145,887.24 = 60,994/x
3. Step 3: Cross multiply
   105,706x = 145,887.24 × 60,994
4. Step 4: Simplify right side
   105,706x = 8,898,246,316.56
5. Step 5: Solve for x
   x = 8,898,246,316.56/105,706
6. Step 6: Final answer
   x = 84,179.20