Finding the Fourth Proportional to 59,300.69, 81,884.81 and 42,356.90

Step by Step Solution

1. Step 1: Write the proportion equation
   59,300.69 : 81,884.81 = 42,356.90 : x
2. Step 2: Convert to fraction form
   59,300.69/81,884.81 = 42,356.90/x
3. Step 3: Cross multiply
   59,300.69x = 81,884.81 × 42,356.90
4. Step 4: Simplify right side
   59,300.69x = 3,468,387,068.70
5. Step 5: Solve for x
   x = 3,468,387,068.70/59,300.69
6. Step 6: Final answer
   x = 58,488.14