Finding the Fourth Proportional to 60,390.72, 90,643.68 and 37,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,390.72 : 90,643.68 = 37,062.72 : x
2. Step 2: Convert to fraction form
   60,390.72/90,643.68 = 37,062.72/x
3. Step 3: Cross multiply
   60,390.72x = 90,643.68 × 37,062.72
4. Step 4: Simplify right side
   60,390.72x = 3,359,501,331.61
5. Step 5: Solve for x
   x = 3,359,501,331.61/60,390.72
6. Step 6: Final answer
   x = 55,629.43