Finding the Fourth Proportional to 56,664.04, 78,199.14 and 31,513

Step by Step Solution

1. Step 1: Write the proportion equation
   56,664.04 : 78,199.14 = 31,513 : x
2. Step 2: Convert to fraction form
   56,664.04/78,199.14 = 31,513/x
3. Step 3: Cross multiply
   56,664.04x = 78,199.14 × 31,513
4. Step 4: Simplify right side
   56,664.04x = 2,464,289,498.82
5. Step 5: Solve for x
   x = 2,464,289,498.82/56,664.04
6. Step 6: Final answer
   x = 43,489.48