Finding the Fourth Proportional to 109,419.21, 164,082.33 and 42,848.76

Step by Step Solution

1. Step 1: Write the proportion equation
   109,419.21 : 164,082.33 = 42,848.76 : x
2. Step 2: Convert to fraction form
   109,419.21/164,082.33 = 42,848.76/x
3. Step 3: Cross multiply
   109,419.21x = 164,082.33 × 42,848.76
4. Step 4: Simplify right side
   109,419.21x = 7,030,723,729.79
5. Step 5: Solve for x
   x = 7,030,723,729.79/109,419.21
6. Step 6: Final answer
   x = 64,254.93