Finding the Fourth Proportional to 58,942.28, 88,404.62 and 19,499.60

Step by Step Solution

1. Step 1: Write the proportion equation
   58,942.28 : 88,404.62 = 19,499.60 : x
2. Step 2: Convert to fraction form
   58,942.28/88,404.62 = 19,499.60/x
3. Step 3: Cross multiply
   58,942.28x = 88,404.62 × 19,499.60
4. Step 4: Simplify right side
   58,942.28x = 1,723,854,728.15
5. Step 5: Solve for x
   x = 1,723,854,728.15/58,942.28
6. Step 6: Final answer
   x = 29,246.49