Finding the Fourth Proportional to 31,377, 47,055.52 and 10,312.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,377 : 47,055.52 = 10,312.18 : x
2. Step 2: Convert to fraction form
   31,377/47,055.52 = 10,312.18/x
3. Step 3: Cross multiply
   31,377x = 47,055.52 × 10,312.18
4. Step 4: Simplify right side
   31,377x = 485,244,992.23
5. Step 5: Solve for x
   x = 485,244,992.23/31,377
6. Step 6: Final answer
   x = 15,464.99