Finding the Fourth Proportional to 58,653.36, 80,943.84 and 42,528.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,653.36 : 80,943.84 = 42,528.69 : x
2. Step 2: Convert to fraction form
   58,653.36/80,943.84 = 42,528.69/x
3. Step 3: Cross multiply
   58,653.36x = 80,943.84 × 42,528.69
4. Step 4: Simplify right side
   58,653.36x = 3,442,435,478.77
5. Step 5: Solve for x
   x = 3,442,435,478.77/58,653.36
6. Step 6: Final answer
   x = 58,691.19