Finding the Fourth Proportional to 61,303, 91,418.04 and 60,742.47

Step by Step Solution

1. Step 1: Write the proportion equation
   61,303 : 91,418.04 = 60,742.47 : x
2. Step 2: Convert to fraction form
   61,303/91,418.04 = 60,742.47/x
3. Step 3: Cross multiply
   61,303x = 91,418.04 × 60,742.47
4. Step 4: Simplify right side
   61,303x = 5,552,957,552.16
5. Step 5: Solve for x
   x = 5,552,957,552.16/61,303
6. Step 6: Final answer
   x = 90,582.15