Finding the Fourth Proportional to 77,645.51, 116,399.32 and 30,249.63

Step by Step Solution

1. Step 1: Write the proportion equation
   77,645.51 : 116,399.32 = 30,249.63 : x
2. Step 2: Convert to fraction form
   77,645.51/116,399.32 = 30,249.63/x
3. Step 3: Cross multiply
   77,645.51x = 116,399.32 × 30,249.63
4. Step 4: Simplify right side
   77,645.51x = 3,521,035,916.72
5. Step 5: Solve for x
   x = 3,521,035,916.72/77,645.51
6. Step 6: Final answer
   x = 45,347.58