Finding the Fourth Proportional to 56,174.04, 77,519.70 and 31,023

Step by Step Solution

1. Step 1: Write the proportion equation
   56,174.04 : 77,519.70 = 31,023 : x
2. Step 2: Convert to fraction form
   56,174.04/77,519.70 = 31,023/x
3. Step 3: Cross multiply
   56,174.04x = 77,519.70 × 31,023
4. Step 4: Simplify right side
   56,174.04x = 2,404,893,653.10
5. Step 5: Solve for x
   x = 2,404,893,653.10/56,174.04
6. Step 6: Final answer
   x = 42,811.48