Finding the Fourth Proportional to 81,752, 122,561.22 and 42,320.48

Step by Step Solution

1. Step 1: Write the proportion equation
   81,752 : 122,561.22 = 42,320.48 : x
2. Step 2: Convert to fraction form
   81,752/122,561.22 = 42,320.48/x
3. Step 3: Cross multiply
   81,752x = 122,561.22 × 42,320.48
4. Step 4: Simplify right side
   81,752x = 5,186,849,659.79
5. Step 5: Solve for x
   x = 5,186,849,659.79/81,752
6. Step 6: Final answer
   x = 63,446.15