Finding the Fourth Proportional to 55,602.16, 83,330.92 and 42,406

Step by Step Solution

1. Step 1: Write the proportion equation
   55,602.16 : 83,330.92 = 42,406 : x
2. Step 2: Convert to fraction form
   55,602.16/83,330.92 = 42,406/x
3. Step 3: Cross multiply
   55,602.16x = 83,330.92 × 42,406
4. Step 4: Simplify right side
   55,602.16x = 3,533,730,993.52
5. Step 5: Solve for x
   x = 3,533,730,993.52/55,602.16
6. Step 6: Final answer
   x = 63,553.84