Finding the Fourth Proportional to 56,611.59, 84,897.95 and 21,561.27

Step by Step Solution

1. Step 1: Write the proportion equation
   56,611.59 : 84,897.95 = 21,561.27 : x
2. Step 2: Convert to fraction form
   56,611.59/84,897.95 = 21,561.27/x
3. Step 3: Cross multiply
   56,611.59x = 84,897.95 × 21,561.27
4. Step 4: Simplify right side
   56,611.59x = 1,830,507,514.59
5. Step 5: Solve for x
   x = 1,830,507,514.59/56,611.59
6. Step 6: Final answer
   x = 32,334.50