Finding the Fourth Proportional to 55,802.36, 83,635.50 and 42,709.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,802.36 : 83,635.50 = 42,709.52 : x
2. Step 2: Convert to fraction form
   55,802.36/83,635.50 = 42,709.52/x
3. Step 3: Cross multiply
   55,802.36x = 83,635.50 × 42,709.52
4. Step 4: Simplify right side
   55,802.36x = 3,572,032,059.96
5. Step 5: Solve for x
   x = 3,572,032,059.96/55,802.36
6. Step 6: Final answer
   x = 64,012.20