Finding the Fourth Proportional to 88,990.56, 122,753.61 and 58,775.94

Step by Step Solution

1. Step 1: Write the proportion equation
   88,990.56 : 122,753.61 = 58,775.94 : x
2. Step 2: Convert to fraction form
   88,990.56/122,753.61 = 58,775.94/x
3. Step 3: Cross multiply
   88,990.56x = 122,753.61 × 58,775.94
4. Step 4: Simplify right side
   88,990.56x = 7,214,958,816.14
5. Step 5: Solve for x
   x = 7,214,958,816.14/88,990.56
6. Step 6: Final answer
   x = 81,075.55