Finding the Fourth Proportional to 50,439,145, 69,606,097.86 and 28,709,113

Step by Step Solution

1. Step 1: Write the proportion equation
   50,439,145 : 69,606,097.86 = 28,709,113 : x
2. Step 2: Convert to fraction form
   50,439,145/69,606,097.86 = 28,709,113/x
3. Step 3: Cross multiply
   50,439,145x = 69,606,097.86 × 28,709,113
4. Step 4: Simplify right side
   50,439,145x = 1,998,329,328,951,798.25
5. Step 5: Solve for x
   x = 1,998,329,328,951,798.25/50,439,145
6. Step 6: Final answer
   x = 39,618,620.20