Finding the Fourth Proportional to 79,043,438.50, 109,079,945.13 and 42,867,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,043,438.50 : 109,079,945.13 = 42,867,566.50 : x
2. Step 2: Convert to fraction form
   79,043,438.50/109,079,945.13 = 42,867,566.50/x
3. Step 3: Cross multiply
   79,043,438.50x = 109,079,945.13 × 42,867,566.50
4. Step 4: Simplify right side
   79,043,438.50x = 4,675,991,801,676,626
5. Step 5: Solve for x
   x = 4,675,991,801,676,626/79,043,438.50
6. Step 6: Final answer
   x = 59,157,241.77