Finding the Fourth Proportional to 86,524.71, 129,906.59 and 59,804.88

Step by Step Solution

1. Step 1: Write the proportion equation
   86,524.71 : 129,906.59 = 59,804.88 : x
2. Step 2: Convert to fraction form
   86,524.71/129,906.59 = 59,804.88/x
3. Step 3: Cross multiply
   86,524.71x = 129,906.59 × 59,804.88
4. Step 4: Simplify right side
   86,524.71x = 7,769,047,970.71
5. Step 5: Solve for x
   x = 7,769,047,970.71/86,524.71
6. Step 6: Final answer
   x = 89,789.94