Finding the Fourth Proportional to 42,792.50, 64,198.47 and 23,070.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,792.50 : 64,198.47 = 23,070.62 : x
2. Step 2: Convert to fraction form
   42,792.50/64,198.47 = 23,070.62/x
3. Step 3: Cross multiply
   42,792.50x = 64,198.47 × 23,070.62
4. Step 4: Simplify right side
   42,792.50x = 1,481,098,752.96
5. Step 5: Solve for x
   x = 1,481,098,752.96/42,792.50
6. Step 6: Final answer
   x = 34,611.17