Finding the Fourth Proportional to 62,499.31, 93,758.74 and 20,369.60

Step by Step Solution

1. Step 1: Write the proportion equation
   62,499.31 : 93,758.74 = 20,369.60 : x
2. Step 2: Convert to fraction form
   62,499.31/93,758.74 = 20,369.60/x
3. Step 3: Cross multiply
   62,499.31x = 93,758.74 × 20,369.60
4. Step 4: Simplify right side
   62,499.31x = 1,909,828,030.30
5. Step 5: Solve for x
   x = 1,909,828,030.30/62,499.31
6. Step 6: Final answer
   x = 30,557.59