Finding the Fourth Proportional to 57,100.96, 78,796.84 and 31,605.81

Step by Step Solution

1. Step 1: Write the proportion equation
   57,100.96 : 78,796.84 = 31,605.81 : x
2. Step 2: Convert to fraction form
   57,100.96/78,796.84 = 31,605.81/x
3. Step 3: Cross multiply
   57,100.96x = 78,796.84 × 31,605.81
4. Step 4: Simplify right side
   57,100.96x = 2,490,437,953.64
5. Step 5: Solve for x
   x = 2,490,437,953.64/57,100.96
6. Step 6: Final answer
   x = 43,614.64