Finding the Fourth Proportional to 93,436.39, 128,922.51 and 59,432.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,436.39 : 128,922.51 = 59,432.50 : x
2. Step 2: Convert to fraction form
   93,436.39/128,922.51 = 59,432.50/x
3. Step 3: Cross multiply
   93,436.39x = 128,922.51 × 59,432.50
4. Step 4: Simplify right side
   93,436.39x = 7,662,187,075.58
5. Step 5: Solve for x
   x = 7,662,187,075.58/93,436.39
6. Step 6: Final answer
   x = 82,004.31