Finding the Fourth Proportional to 70,899, 97,837.56 and 40,663.32

Step by Step Solution

1. Step 1: Write the proportion equation
   70,899 : 97,837.56 = 40,663.32 : x
2. Step 2: Convert to fraction form
   70,899/97,837.56 = 40,663.32/x
3. Step 3: Cross multiply
   70,899x = 97,837.56 × 40,663.32
4. Step 4: Simplify right side
   70,899x = 3,978,400,010.30
5. Step 5: Solve for x
   x = 3,978,400,010.30/70,899
6. Step 6: Final answer
   x = 56,113.63