Finding the Fourth Proportional to 109,365.21, 164,064.15 and 34,477.47

Step by Step Solution

1. Step 1: Write the proportion equation
   109,365.21 : 164,064.15 = 34,477.47 : x
2. Step 2: Convert to fraction form
   109,365.21/164,064.15 = 34,477.47/x
3. Step 3: Cross multiply
   109,365.21x = 164,064.15 × 34,477.47
4. Step 4: Simplify right side
   109,365.21x = 5,656,516,809.70
5. Step 5: Solve for x
   x = 5,656,516,809.70/109,365.21
6. Step 6: Final answer
   x = 51,721.35