Finding the Fourth Proportional to 42,704,019.12, 64,042,780.58 and 15,406,763.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,704,019.12 : 64,042,780.58 = 15,406,763.34 : x
2. Step 2: Convert to fraction form
   42,704,019.12/64,042,780.58 = 15,406,763.34/x
3. Step 3: Cross multiply
   42,704,019.12x = 64,042,780.58 × 15,406,763.34
4. Step 4: Simplify right side
   42,704,019.12x = 986,691,964,031,607.88
5. Step 5: Solve for x
   x = 986,691,964,031,607.88/42,704,019.12
6. Step 6: Final answer
   x = 23,105,365.36