Finding the Fourth Proportional to 46,039.59, 69,191.01 and 42,919.47

Step by Step Solution

1. Step 1: Write the proportion equation
   46,039.59 : 69,191.01 = 42,919.47 : x
2. Step 2: Convert to fraction form
   46,039.59/69,191.01 = 42,919.47/x
3. Step 3: Cross multiply
   46,039.59x = 69,191.01 × 42,919.47
4. Step 4: Simplify right side
   46,039.59x = 2,969,641,477.96
5. Step 5: Solve for x
   x = 2,969,641,477.96/46,039.59
6. Step 6: Final answer
   x = 64,501.91