Finding the Fourth Proportional to 58,499.56, 87,730.17 and 19,047.16

Step by Step Solution

1. Step 1: Write the proportion equation
   58,499.56 : 87,730.17 = 19,047.16 : x
2. Step 2: Convert to fraction form
   58,499.56/87,730.17 = 19,047.16/x
3. Step 3: Cross multiply
   58,499.56x = 87,730.17 × 19,047.16
4. Step 4: Simplify right side
   58,499.56x = 1,671,010,584.82
5. Step 5: Solve for x
   x = 1,671,010,584.82/58,499.56
6. Step 6: Final answer
   x = 28,564.50