Finding the Fourth Proportional to 56,813.07, 78,404.72 and 31,662.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,813.07 : 78,404.72 = 31,662.75 : x
2. Step 2: Convert to fraction form
   56,813.07/78,404.72 = 31,662.75/x
3. Step 3: Cross multiply
   56,813.07x = 78,404.72 × 31,662.75
4. Step 4: Simplify right side
   56,813.07x = 2,482,508,889.87
5. Step 5: Solve for x
   x = 2,482,508,889.87/56,813.07
6. Step 6: Final answer
   x = 43,696.09