Finding the Fourth Proportional to 52,739,488.72, 79,131,966.72 and 28,473,597.28

Step by Step Solution

1. Step 1: Write the proportion equation
   52,739,488.72 : 79,131,966.72 = 28,473,597.28 : x
2. Step 2: Convert to fraction form
   52,739,488.72/79,131,966.72 = 28,473,597.28/x
3. Step 3: Cross multiply
   52,739,488.72x = 79,131,966.72 × 28,473,597.28
4. Step 4: Simplify right side
   52,739,488.72x = 2,253,171,752,359,642.50
5. Step 5: Solve for x
   x = 2,253,171,752,359,642.50/52,739,488.72
6. Step 6: Final answer
   x = 42,722,669.62