Finding the Fourth Proportional to 55,607.16, 83,338.42 and 42,411

Step by Step Solution

1. Step 1: Write the proportion equation
   55,607.16 : 83,338.42 = 42,411 : x
2. Step 2: Convert to fraction form
   55,607.16/83,338.42 = 42,411/x
3. Step 3: Cross multiply
   55,607.16x = 83,338.42 × 42,411
4. Step 4: Simplify right side
   55,607.16x = 3,534,465,730.62
5. Step 5: Solve for x
   x = 3,534,465,730.62/55,607.16
6. Step 6: Final answer
   x = 63,561.34