Finding the Fourth Proportional to 79,060.50, 109,109.42 and 45,069.80

Step by Step Solution

1. Step 1: Write the proportion equation
   79,060.50 : 109,109.42 = 45,069.80 : x
2. Step 2: Convert to fraction form
   79,060.50/109,109.42 = 45,069.80/x
3. Step 3: Cross multiply
   79,060.50x = 109,109.42 × 45,069.80
4. Step 4: Simplify right side
   79,060.50x = 4,917,539,737.52
5. Step 5: Solve for x
   x = 4,917,539,737.52/79,060.50
6. Step 6: Final answer
   x = 62,199.70