Finding the Fourth Proportional to 56,598.93, 84,932.42 and 21,086.37

Step by Step Solution

1. Step 1: Write the proportion equation
   56,598.93 : 84,932.42 = 21,086.37 : x
2. Step 2: Convert to fraction form
   56,598.93/84,932.42 = 21,086.37/x
3. Step 3: Cross multiply
   56,598.93x = 84,932.42 × 21,086.37
4. Step 4: Simplify right side
   56,598.93x = 1,790,916,433.12
5. Step 5: Solve for x
   x = 1,790,916,433.12/56,598.93
6. Step 6: Final answer
   x = 31,642.23