Finding the Fourth Proportional to 105,061.12, 157,502.10 and 45,852.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,061.12 : 157,502.10 = 45,852.52 : x
2. Step 2: Convert to fraction form
   105,061.12/157,502.10 = 45,852.52/x
3. Step 3: Cross multiply
   105,061.12x = 157,502.10 × 45,852.52
4. Step 4: Simplify right side
   105,061.12x = 7,221,868,190.29
5. Step 5: Solve for x
   x = 7,221,868,190.29/105,061.12
6. Step 6: Final answer
   x = 68,739.68