Finding the Fourth Proportional to 56,061.47, 84,092.63 and 20,523.91

Step by Step Solution

1. Step 1: Write the proportion equation
   56,061.47 : 84,092.63 = 20,523.91 : x
2. Step 2: Convert to fraction form
   56,061.47/84,092.63 = 20,523.91/x
3. Step 3: Cross multiply
   56,061.47x = 84,092.63 × 20,523.91
4. Step 4: Simplify right side
   56,061.47x = 1,725,909,293.54
5. Step 5: Solve for x
   x = 1,725,909,293.54/56,061.47
6. Step 6: Final answer
   x = 30,786.02