Finding the Fourth Proportional to 58,852.78, 88,251.42 and 21,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,852.78 : 88,251.42 = 21,386.50 : x
2. Step 2: Convert to fraction form
   58,852.78/88,251.42 = 21,386.50/x
3. Step 3: Cross multiply
   58,852.78x = 88,251.42 × 21,386.50
4. Step 4: Simplify right side
   58,852.78x = 1,887,388,993.83
5. Step 5: Solve for x
   x = 1,887,388,993.83/58,852.78
6. Step 6: Final answer
   x = 32,069.67