Finding the Fourth Proportional to 105,792.10, 148,502.60 and 105,792.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,792.10 : 148,502.60 = 105,792.10 : x
2. Step 2: Convert to fraction form
   105,792.10/148,502.60 = 105,792.10/x
3. Step 3: Cross multiply
   105,792.10x = 148,502.60 × 105,792.10
4. Step 4: Simplify right side
   105,792.10x = 15,710,401,909.46
5. Step 5: Solve for x
   x = 15,710,401,909.46/105,792.10
6. Step 6: Final answer
   x = 148,502.60