Finding the Fourth Proportional to 31,567.39, 47,356.79 and 9,077.00

Step by Step Solution

1. Step 1: Write the proportion equation
   31,567.39 : 47,356.79 = 9,077.00 : x
2. Step 2: Convert to fraction form
   31,567.39/47,356.79 = 9,077.00/x
3. Step 3: Cross multiply
   31,567.39x = 47,356.79 × 9,077.00
4. Step 4: Simplify right side
   31,567.39x = 429,857,300.66
5. Step 5: Solve for x
   x = 429,857,300.66/31,567.39
6. Step 6: Final answer
   x = 13,617.13