Finding the Fourth Proportional to 57,100.73, 78,796.99 and 31,607.15

Step by Step Solution

1. Step 1: Write the proportion equation
   57,100.73 : 78,796.99 = 31,607.15 : x
2. Step 2: Convert to fraction form
   57,100.73/78,796.99 = 31,607.15/x
3. Step 3: Cross multiply
   57,100.73x = 78,796.99 × 31,607.15
4. Step 4: Simplify right side
   57,100.73x = 2,490,547,809.48
5. Step 5: Solve for x
   x = 2,490,547,809.48/57,100.73
6. Step 6: Final answer
   x = 43,616.74