Finding the Fourth Proportional to 64,622,072.88, 89,166,263.99 and 38,519,019.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,622,072.88 : 89,166,263.99 = 38,519,019.56 : x
2. Step 2: Convert to fraction form
   64,622,072.88/89,166,263.99 = 38,519,019.56/x
3. Step 3: Cross multiply
   64,622,072.88x = 89,166,263.99 × 38,519,019.56
4. Step 4: Simplify right side
   64,622,072.88x = 3,434,597,066,722,933.50
5. Step 5: Solve for x
   x = 3,434,597,066,722,933.50/64,622,072.88
6. Step 6: Final answer
   x = 53,148,977.02