Finding the Fourth Proportional to 146,851,314.86, 220,302,067.72 and 60,542,540.84

Step by Step Solution

1. Step 1: Write the proportion equation
   146,851,314.86 : 220,302,067.72 = 60,542,540.84 : x
2. Step 2: Convert to fraction form
   146,851,314.86/220,302,067.72 = 60,542,540.84/x
3. Step 3: Cross multiply
   146,851,314.86x = 220,302,067.72 × 60,542,540.84
4. Step 4: Simplify right side
   146,851,314.86x = 13,337,646,932,074,546
5. Step 5: Solve for x
   x = 13,337,646,932,074,546/146,851,314.86
6. Step 6: Final answer
   x = 90,824,157.38