Finding the Fourth Proportional to 78,216.45, 117,314.26 and 22,061.07

Step by Step Solution

1. Step 1: Write the proportion equation
   78,216.45 : 117,314.26 = 22,061.07 : x
2. Step 2: Convert to fraction form
   78,216.45/117,314.26 = 22,061.07/x
3. Step 3: Cross multiply
   78,216.45x = 117,314.26 × 22,061.07
4. Step 4: Simplify right side
   78,216.45x = 2,588,078,101.86
5. Step 5: Solve for x
   x = 2,588,078,101.86/78,216.45
6. Step 6: Final answer
   x = 33,088.67