Finding the Fourth Proportional to 67,719.90, 101,486.43 and 51,061.62

Step by Step Solution

1. Step 1: Write the proportion equation
   67,719.90 : 101,486.43 = 51,061.62 : x
2. Step 2: Convert to fraction form
   67,719.90/101,486.43 = 51,061.62/x
3. Step 3: Cross multiply
   67,719.90x = 101,486.43 × 51,061.62
4. Step 4: Simplify right side
   67,719.90x = 5,182,061,963.07
5. Step 5: Solve for x
   x = 5,182,061,963.07/67,719.90
6. Step 6: Final answer
   x = 76,522.00