Finding the Fourth Proportional to 77,954.59, 107,577.34 and 42,144.59

Step by Step Solution

1. Step 1: Write the proportion equation
   77,954.59 : 107,577.34 = 42,144.59 : x
2. Step 2: Convert to fraction form
   77,954.59/107,577.34 = 42,144.59/x
3. Step 3: Cross multiply
   77,954.59x = 107,577.34 × 42,144.59
4. Step 4: Simplify right side
   77,954.59x = 4,533,802,446.05
5. Step 5: Solve for x
   x = 4,533,802,446.05/77,954.59
6. Step 6: Final answer
   x = 58,159.53