Finding the Fourth Proportional to 109,799.31, 164,715.36 and 34,921.90

Step by Step Solution

1. Step 1: Write the proportion equation
   109,799.31 : 164,715.36 = 34,921.90 : x
2. Step 2: Convert to fraction form
   109,799.31/164,715.36 = 34,921.90/x
3. Step 3: Cross multiply
   109,799.31x = 164,715.36 × 34,921.90
4. Step 4: Simplify right side
   109,799.31x = 5,752,173,405.32
5. Step 5: Solve for x
   x = 5,752,173,405.32/109,799.31
6. Step 6: Final answer
   x = 52,388.06