Finding the Fourth Proportional to 109,431.70, 164,032.35 and 42,846.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,431.70 : 164,032.35 = 42,846.10 : x
2. Step 2: Convert to fraction form
   109,431.70/164,032.35 = 42,846.10/x
3. Step 3: Cross multiply
   109,431.70x = 164,032.35 × 42,846.10
4. Step 4: Simplify right side
   109,431.70x = 7,028,146,471.34
5. Step 5: Solve for x
   x = 7,028,146,471.34/109,431.70
6. Step 6: Final answer
   x = 64,224.05