Finding the Fourth Proportional to 109,369.66, 164,068.17 and 42,801.19

Step by Step Solution

1. Step 1: Write the proportion equation
   109,369.66 : 164,068.17 = 42,801.19 : x
2. Step 2: Convert to fraction form
   109,369.66/164,068.17 = 42,801.19/x
3. Step 3: Cross multiply
   109,369.66x = 164,068.17 × 42,801.19
4. Step 4: Simplify right side
   109,369.66x = 7,022,312,096.78
5. Step 5: Solve for x
   x = 7,022,312,096.78/109,369.66
6. Step 6: Final answer
   x = 64,207.13