Finding the Fourth Proportional to 37,902,697.88, 52,305,723.06 and 20,499,043.10

Step by Step Solution

1. Step 1: Write the proportion equation
   37,902,697.88 : 52,305,723.06 = 20,499,043.10 : x
2. Step 2: Convert to fraction form
   37,902,697.88/52,305,723.06 = 20,499,043.10/x
3. Step 3: Cross multiply
   37,902,697.88x = 52,305,723.06 × 20,499,043.10
4. Step 4: Simplify right side
   37,902,697.88x = 1,072,217,271,383,604
5. Step 5: Solve for x
   x = 1,072,217,271,383,604/37,902,697.88
6. Step 6: Final answer
   x = 28,288,679.47