Finding the Fourth Proportional to 107,566.02, 161,296.71 and 64,915.40

Step by Step Solution

1. Step 1: Write the proportion equation
   107,566.02 : 161,296.71 = 64,915.40 : x
2. Step 2: Convert to fraction form
   107,566.02/161,296.71 = 64,915.40/x
3. Step 3: Cross multiply
   107,566.02x = 161,296.71 × 64,915.40
4. Step 4: Simplify right side
   107,566.02x = 10,470,640,448.33
5. Step 5: Solve for x
   x = 10,470,640,448.33/107,566.02
6. Step 6: Final answer
   x = 97,341.53