Finding the Fourth Proportional to 93,463.56, 139,529.52 and 90,182.88

Step by Step Solution

1. Step 1: Write the proportion equation
   93,463.56 : 139,529.52 = 90,182.88 : x
2. Step 2: Convert to fraction form
   93,463.56/139,529.52 = 90,182.88/x
3. Step 3: Cross multiply
   93,463.56x = 139,529.52 × 90,182.88
4. Step 4: Simplify right side
   93,463.56x = 12,583,173,958.62
5. Step 5: Solve for x
   x = 12,583,173,958.62/93,463.56
6. Step 6: Final answer
   x = 134,631.87