Finding the Fourth Proportional to 109,410.99, 164,050.76 and 42,771.75

Step by Step Solution

1. Step 1: Write the proportion equation
   109,410.99 : 164,050.76 = 42,771.75 : x
2. Step 2: Convert to fraction form
   109,410.99/164,050.76 = 42,771.75/x
3. Step 3: Cross multiply
   109,410.99x = 164,050.76 × 42,771.75
4. Step 4: Simplify right side
   109,410.99x = 7,016,738,094.03
5. Step 5: Solve for x
   x = 7,016,738,094.03/109,410.99
6. Step 6: Final answer
   x = 64,131.93