Finding the Fourth Proportional to 250,493.19, 375,659.60 and 81,967.83

Step by Step Solution

1. Step 1: Write the proportion equation
   250,493.19 : 375,659.60 = 81,967.83 : x
2. Step 2: Convert to fraction form
   250,493.19/375,659.60 = 81,967.83/x
3. Step 3: Cross multiply
   250,493.19x = 375,659.60 × 81,967.83
4. Step 4: Simplify right side
   250,493.19x = 30,792,001,820.83
5. Step 5: Solve for x
   x = 30,792,001,820.83/250,493.19
6. Step 6: Final answer
   x = 122,925.50