Finding the Fourth Proportional to 42,158.88, 58,125.60 and 34,577.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,158.88 : 58,125.60 = 34,577.28 : x
2. Step 2: Convert to fraction form
   42,158.88/58,125.60 = 34,577.28/x
3. Step 3: Cross multiply
   42,158.88x = 58,125.60 × 34,577.28
4. Step 4: Simplify right side
   42,158.88x = 2,009,825,146.37
5. Step 5: Solve for x
   x = 2,009,825,146.37/42,158.88
6. Step 6: Final answer
   x = 47,672.64