Finding the Fourth Proportional to 52,891,443.10, 79,309,637.61 and 18,807,835.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,891,443.10 : 79,309,637.61 = 18,807,835.42 : x
2. Step 2: Convert to fraction form
   52,891,443.10/79,309,637.61 = 18,807,835.42/x
3. Step 3: Cross multiply
   52,891,443.10x = 79,309,637.61 × 18,807,835.42
4. Step 4: Simplify right side
   52,891,443.10x = 1,491,642,611,388,722.25
5. Step 5: Solve for x
   x = 1,491,642,611,388,722.25/52,891,443.10
6. Step 6: Final answer
   x = 28,201,964.70