Finding the Fourth Proportional to 78,061.33, 117,099.34 and 21,901.22

Step by Step Solution

1. Step 1: Write the proportion equation
   78,061.33 : 117,099.34 = 21,901.22 : x
2. Step 2: Convert to fraction form
   78,061.33/117,099.34 = 21,901.22/x
3. Step 3: Cross multiply
   78,061.33x = 117,099.34 × 21,901.22
4. Step 4: Simplify right side
   78,061.33x = 2,564,618,407.19
5. Step 5: Solve for x
   x = 2,564,618,407.19/78,061.33
6. Step 6: Final answer
   x = 32,853.89