Finding the Fourth Proportional to 62,109.72, 93,151.48 and 19,993.56

Step by Step Solution

1. Step 1: Write the proportion equation
   62,109.72 : 93,151.48 = 19,993.56 : x
2. Step 2: Convert to fraction form
   62,109.72/93,151.48 = 19,993.56/x
3. Step 3: Cross multiply
   62,109.72x = 93,151.48 × 19,993.56
4. Step 4: Simplify right side
   62,109.72x = 1,862,429,704.47
5. Step 5: Solve for x
   x = 1,862,429,704.47/62,109.72
6. Step 6: Final answer
   x = 29,986.12