Finding the Fourth Proportional to 314,013.10, 471,025.05 and 89,379.31

Step by Step Solution

1. Step 1: Write the proportion equation
   314,013.10 : 471,025.05 = 89,379.31 : x
2. Step 2: Convert to fraction form
   314,013.10/471,025.05 = 89,379.31/x
3. Step 3: Cross multiply
   314,013.10x = 471,025.05 × 89,379.31
4. Step 4: Simplify right side
   314,013.10x = 42,099,893,961.72
5. Step 5: Solve for x
   x = 42,099,893,961.72/314,013.10
6. Step 6: Final answer
   x = 134,070.50