Finding the Fourth Proportional to 59,099.86, 88,648.17 and 19,657.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,099.86 : 88,648.17 = 19,657.72 : x
2. Step 2: Convert to fraction form
   59,099.86/88,648.17 = 19,657.72/x
3. Step 3: Cross multiply
   59,099.86x = 88,648.17 × 19,657.72
4. Step 4: Simplify right side
   59,099.86x = 1,742,620,904.37
5. Step 5: Solve for x
   x = 1,742,620,904.37/59,099.86
6. Step 6: Final answer
   x = 29,486.04