Finding the Fourth Proportional to 60,032.72, 90,016.68 and 42,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,032.72 : 90,016.68 = 42,536.72 : x
2. Step 2: Convert to fraction form
   60,032.72/90,016.68 = 42,536.72/x
3. Step 3: Cross multiply
   60,032.72x = 90,016.68 × 42,536.72
4. Step 4: Simplify right side
   60,032.72x = 3,829,014,312.49
5. Step 5: Solve for x
   x = 3,829,014,312.49/60,032.72
6. Step 6: Final answer
   x = 63,782.12