Finding the Fourth Proportional to 77,142.95, 106,452.27 and 43,145.56

Step by Step Solution

1. Step 1: Write the proportion equation
   77,142.95 : 106,452.27 = 43,145.56 : x
2. Step 2: Convert to fraction form
   77,142.95/106,452.27 = 43,145.56/x
3. Step 3: Cross multiply
   77,142.95x = 106,452.27 × 43,145.56
4. Step 4: Simplify right side
   77,142.95x = 4,592,942,802.42
5. Step 5: Solve for x
   x = 4,592,942,802.42/77,142.95
6. Step 6: Final answer
   x = 59,538.08