Finding the Fourth Proportional to 56,812.82, 78,404.37 and 31,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,812.82 : 78,404.37 = 31,662.50 : x
2. Step 2: Convert to fraction form
   56,812.82/78,404.37 = 31,662.50/x
3. Step 3: Cross multiply
   56,812.82x = 78,404.37 × 31,662.50
4. Step 4: Simplify right side
   56,812.82x = 2,482,478,365.13
5. Step 5: Solve for x
   x = 2,482,478,365.13/56,812.82
6. Step 6: Final answer
   x = 43,695.74