Finding the Fourth Proportional to 64,111.30, 88,485.81 and 42,269.22

Step by Step Solution

1. Step 1: Write the proportion equation
   64,111.30 : 88,485.81 = 42,269.22 : x
2. Step 2: Convert to fraction form
   64,111.30/88,485.81 = 42,269.22/x
3. Step 3: Cross multiply
   64,111.30x = 88,485.81 × 42,269.22
4. Step 4: Simplify right side
   64,111.30x = 3,740,226,249.02
5. Step 5: Solve for x
   x = 3,740,226,249.02/64,111.30
6. Step 6: Final answer
   x = 58,339.58