Finding the Fourth Proportional to 78,564.86, 117,848.37 and 22,405.00

Step by Step Solution

1. Step 1: Write the proportion equation
   78,564.86 : 117,848.37 = 22,405.00 : x
2. Step 2: Convert to fraction form
   78,564.86/117,848.37 = 22,405.00/x
3. Step 3: Cross multiply
   78,564.86x = 117,848.37 × 22,405.00
4. Step 4: Simplify right side
   78,564.86x = 2,640,392,028.58
5. Step 5: Solve for x
   x = 2,640,392,028.58/78,564.86
6. Step 6: Final answer
   x = 33,607.80