Finding the Fourth Proportional to 109,038.05, 150,474.71 and 61,290.37

Step by Step Solution

1. Step 1: Write the proportion equation
   109,038.05 : 150,474.71 = 61,290.37 : x
2. Step 2: Convert to fraction form
   109,038.05/150,474.71 = 61,290.37/x
3. Step 3: Cross multiply
   109,038.05x = 150,474.71 × 61,290.37
4. Step 4: Simplify right side
   109,038.05x = 9,222,650,992.86
5. Step 5: Solve for x
   x = 9,222,650,992.86/109,038.05
6. Step 6: Final answer
   x = 84,581.95