Finding the Fourth Proportional to 97,071.86, 145,607.69 and 30,517.81

Step by Step Solution

1. Step 1: Write the proportion equation
   97,071.86 : 145,607.69 = 30,517.81 : x
2. Step 2: Convert to fraction form
   97,071.86/145,607.69 = 30,517.81/x
3. Step 3: Cross multiply
   97,071.86x = 145,607.69 × 30,517.81
4. Step 4: Simplify right side
   97,071.86x = 4,443,627,530.23
5. Step 5: Solve for x
   x = 4,443,627,530.23/97,071.86
6. Step 6: Final answer
   x = 45,776.68