Finding the Fourth Proportional to 93,116.37, 128,503.50 and 52,831.83

Step by Step Solution

1. Step 1: Write the proportion equation
   93,116.37 : 128,503.50 = 52,831.83 : x
2. Step 2: Convert to fraction form
   93,116.37/128,503.50 = 52,831.83/x
3. Step 3: Cross multiply
   93,116.37x = 128,503.50 × 52,831.83
4. Step 4: Simplify right side
   93,116.37x = 6,789,075,066.41
5. Step 5: Solve for x
   x = 6,789,075,066.41/93,116.37
6. Step 6: Final answer
   x = 72,909.58