Finding the Fourth Proportional to 101,792.89, 152,615.52 and 68,430.20

Step by Step Solution

1. Step 1: Write the proportion equation
   101,792.89 : 152,615.52 = 68,430.20 : x
2. Step 2: Convert to fraction form
   101,792.89/152,615.52 = 68,430.20/x
3. Step 3: Cross multiply
   101,792.89x = 152,615.52 × 68,430.20
4. Step 4: Simplify right side
   101,792.89x = 10,443,510,938.24
5. Step 5: Solve for x
   x = 10,443,510,938.24/101,792.89
6. Step 6: Final answer
   x = 102,595.68