Finding the Fourth Proportional to 93,185.76, 128,597.89 and 52,900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,185.76 : 128,597.89 = 52,900.72 : x
2. Step 2: Convert to fraction form
   93,185.76/128,597.89 = 52,900.72/x
3. Step 3: Cross multiply
   93,185.76x = 128,597.89 × 52,900.72
4. Step 4: Simplify right side
   93,185.76x = 6,802,920,971.48
5. Step 5: Solve for x
   x = 6,802,920,971.48/93,185.76
6. Step 6: Final answer
   x = 73,003.87