Finding the Fourth Proportional to 62,074, 93,120.72 and 20,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,074 : 93,120.72 = 20,530.72 : x
2. Step 2: Convert to fraction form
   62,074/93,120.72 = 20,530.72/x
3. Step 3: Cross multiply
   62,074x = 93,120.72 × 20,530.72
4. Step 4: Simplify right side
   62,074x = 1,911,835,428.52
5. Step 5: Solve for x
   x = 1,911,835,428.52/62,074
6. Step 6: Final answer
   x = 30,799.29