Finding the Fourth Proportional to 109,377.37, 164,079.74 and 42,808.87

Step by Step Solution

1. Step 1: Write the proportion equation
   109,377.37 : 164,079.74 = 42,808.87 : x
2. Step 2: Convert to fraction form
   109,377.37/164,079.74 = 42,808.87/x
3. Step 3: Cross multiply
   109,377.37x = 164,079.74 × 42,808.87
4. Step 4: Simplify right side
   109,377.37x = 7,024,068,259.29
5. Step 5: Solve for x
   x = 7,024,068,259.29/109,377.37
6. Step 6: Final answer
   x = 64,218.66