Finding the Fourth Proportional to 79,606.61, 109,872.82 and 45,637.90

Step by Step Solution

1. Step 1: Write the proportion equation
   79,606.61 : 109,872.82 = 45,637.90 : x
2. Step 2: Convert to fraction form
   79,606.61/109,872.82 = 45,637.90/x
3. Step 3: Cross multiply
   79,606.61x = 109,872.82 × 45,637.90
4. Step 4: Simplify right side
   79,606.61x = 5,014,364,771.88
5. Step 5: Solve for x
   x = 5,014,364,771.88/79,606.61
6. Step 6: Final answer
   x = 62,989.30