Finding the Fourth Proportional to 62,300.80, 93,355.52 and 42,284.30

Step by Step Solution

1. Step 1: Write the proportion equation
   62,300.80 : 93,355.52 = 42,284.30 : x
2. Step 2: Convert to fraction form
   62,300.80/93,355.52 = 42,284.30/x
3. Step 3: Cross multiply
   62,300.80x = 93,355.52 × 42,284.30
4. Step 4: Simplify right side
   62,300.80x = 3,947,472,814.34
5. Step 5: Solve for x
   x = 3,947,472,814.34/62,300.80
6. Step 6: Final answer
   x = 63,361.51