Finding the Fourth Proportional to 58,597.45, 88,145.61 and 53,116.89

Step by Step Solution

1. Step 1: Write the proportion equation
   58,597.45 : 88,145.61 = 53,116.89 : x
2. Step 2: Convert to fraction form
   58,597.45/88,145.61 = 53,116.89/x
3. Step 3: Cross multiply
   58,597.45x = 88,145.61 × 53,116.89
4. Step 4: Simplify right side
   58,597.45x = 4,682,020,670.35
5. Step 5: Solve for x
   x = 4,682,020,670.35/58,597.45
6. Step 6: Final answer
   x = 79,901.44