Finding the Fourth Proportional to 79,385.74, 109,554.05 and 45,397.33

Step by Step Solution

1. Step 1: Write the proportion equation
   79,385.74 : 109,554.05 = 45,397.33 : x
2. Step 2: Convert to fraction form
   79,385.74/109,554.05 = 45,397.33/x
3. Step 3: Cross multiply
   79,385.74x = 109,554.05 × 45,397.33
4. Step 4: Simplify right side
   79,385.74x = 4,973,461,200.29
5. Step 5: Solve for x
   x = 4,973,461,200.29/79,385.74
6. Step 6: Final answer
   x = 62,649.30