Finding the Fourth Proportional to 59,902.50, 89,820.06 and 19,900.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,902.50 : 89,820.06 = 19,900.09 : x
2. Step 2: Convert to fraction form
   59,902.50/89,820.06 = 19,900.09/x
3. Step 3: Cross multiply
   59,902.50x = 89,820.06 × 19,900.09
4. Step 4: Simplify right side
   59,902.50x = 1,787,427,277.81
5. Step 5: Solve for x
   x = 1,787,427,277.81/59,902.50
6. Step 6: Final answer
   x = 29,838.94