Finding the Fourth Proportional to 50,439,144, 69,606,096.48 and 28,709,112

Step by Step Solution

1. Step 1: Write the proportion equation
   50,439,144 : 69,606,096.48 = 28,709,112 : x
2. Step 2: Convert to fraction form
   50,439,144/69,606,096.48 = 28,709,112/x
3. Step 3: Cross multiply
   50,439,144x = 69,606,096.48 × 28,709,112
4. Step 4: Simplify right side
   50,439,144x = 1,998,329,219,727,126
5. Step 5: Solve for x
   x = 1,998,329,219,727,126/50,439,144
6. Step 6: Final answer
   x = 39,618,618.82