Finding the Fourth Proportional to 52,715,587.51, 79,043,105.89 and 28,093,198.80

Step by Step Solution

1. Step 1: Write the proportion equation
   52,715,587.51 : 79,043,105.89 = 28,093,198.80 : x
2. Step 2: Convert to fraction form
   52,715,587.51/79,043,105.89 = 28,093,198.80/x
3. Step 3: Cross multiply
   52,715,587.51x = 79,043,105.89 × 28,093,198.80
4. Step 4: Simplify right side
   52,715,587.51x = 2,220,573,687,537,221
5. Step 5: Solve for x
   x = 2,220,573,687,537,221/52,715,587.51
6. Step 6: Final answer
   x = 42,123,663.84