Finding the Fourth Proportional to 63,705.30, 87,925.50 and 42,195.30

Step by Step Solution

1. Step 1: Write the proportion equation
   63,705.30 : 87,925.50 = 42,195.30 : x
2. Step 2: Convert to fraction form
   63,705.30/87,925.50 = 42,195.30/x
3. Step 3: Cross multiply
   63,705.30x = 87,925.50 × 42,195.30
4. Step 4: Simplify right side
   63,705.30x = 3,710,042,850.15
5. Step 5: Solve for x
   x = 3,710,042,850.15/63,705.30
6. Step 6: Final answer
   x = 58,237.59