Finding the Fourth Proportional to 58,493.05, 87,746.86 and 19,039.57

Step by Step Solution

1. Step 1: Write the proportion equation
   58,493.05 : 87,746.86 = 19,039.57 : x
2. Step 2: Convert to fraction form
   58,493.05/87,746.86 = 19,039.57/x
3. Step 3: Cross multiply
   58,493.05x = 87,746.86 × 19,039.57
4. Step 4: Simplify right side
   58,493.05x = 1,670,662,483.25
5. Step 5: Solve for x
   x = 1,670,662,483.25/58,493.05
6. Step 6: Final answer
   x = 28,561.73