Finding the Fourth Proportional to 105,061.48, 144,970.50 and 60,349.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,061.48 : 144,970.50 = 60,349.48 : x
2. Step 2: Convert to fraction form
   105,061.48/144,970.50 = 60,349.48/x
3. Step 3: Cross multiply
   105,061.48x = 144,970.50 × 60,349.48
4. Step 4: Simplify right side
   105,061.48x = 8,748,894,290.34
5. Step 5: Solve for x
   x = 8,748,894,290.34/105,061.48
6. Step 6: Final answer
   x = 83,274.04