Finding the Fourth Proportional to 47,108.30, 64,964.57 and 30,947.00

Step by Step Solution

1. Step 1: Write the proportion equation
   47,108.30 : 64,964.57 = 30,947.00 : x
2. Step 2: Convert to fraction form
   47,108.30/64,964.57 = 30,947.00/x
3. Step 3: Cross multiply
   47,108.30x = 64,964.57 × 30,947.00
4. Step 4: Simplify right side
   47,108.30x = 2,010,458,068.23
5. Step 5: Solve for x
   x = 2,010,458,068.23/47,108.30
6. Step 6: Final answer
   x = 42,677.37