Finding the Fourth Proportional to 43,570.45, 59,735.61 and 42,783.13

Step by Step Solution

1. Step 1: Write the proportion equation
   43,570.45 : 59,735.61 = 42,783.13 : x
2. Step 2: Convert to fraction form
   43,570.45/59,735.61 = 42,783.13/x
3. Step 3: Cross multiply
   43,570.45x = 59,735.61 × 42,783.13
4. Step 4: Simplify right side
   43,570.45x = 2,555,676,442.93
5. Step 5: Solve for x
   x = 2,555,676,442.93/43,570.45
6. Step 6: Final answer
   x = 58,656.18