Finding the Fourth Proportional to 119,030.72, 178,478.42 and 92,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,030.72 : 178,478.42 = 92,003.50 : x
2. Step 2: Convert to fraction form
   119,030.72/178,478.42 = 92,003.50/x
3. Step 3: Cross multiply
   119,030.72x = 178,478.42 × 92,003.50
4. Step 4: Simplify right side
   119,030.72x = 16,420,639,314.47
5. Step 5: Solve for x
   x = 16,420,639,314.47/119,030.72
6. Step 6: Final answer
   x = 137,952.95