Finding the Fourth Proportional to 63,570.02, 87,738.71 and 42,060.20

Step by Step Solution

1. Step 1: Write the proportion equation
   63,570.02 : 87,738.71 = 42,060.20 : x
2. Step 2: Convert to fraction form
   63,570.02/87,738.71 = 42,060.20/x
3. Step 3: Cross multiply
   63,570.02x = 87,738.71 × 42,060.20
4. Step 4: Simplify right side
   63,570.02x = 3,690,307,041.35
5. Step 5: Solve for x
   x = 3,690,307,041.35/63,570.02
6. Step 6: Final answer
   x = 58,051.06