Finding the Fourth Proportional to 62,488.72, 93,710.52 and 20,926.16

Step by Step Solution

1. Step 1: Write the proportion equation
   62,488.72 : 93,710.52 = 20,926.16 : x
2. Step 2: Convert to fraction form
   62,488.72/93,710.52 = 20,926.16/x
3. Step 3: Cross multiply
   62,488.72x = 93,710.52 × 20,926.16
4. Step 4: Simplify right side
   62,488.72x = 1,961,001,335.20
5. Step 5: Solve for x
   x = 1,961,001,335.20/62,488.72
6. Step 6: Final answer
   x = 31,381.69