Finding the Fourth Proportional to 46,300.15, 69,542.48 and 43,688.96

Step by Step Solution

1. Step 1: Write the proportion equation
   46,300.15 : 69,542.48 = 43,688.96 : x
2. Step 2: Convert to fraction form
   46,300.15/69,542.48 = 43,688.96/x
3. Step 3: Cross multiply
   46,300.15x = 69,542.48 × 43,688.96
4. Step 4: Simplify right side
   46,300.15x = 3,038,238,408.58
5. Step 5: Solve for x
   x = 3,038,238,408.58/46,300.15
6. Step 6: Final answer
   x = 65,620.49