Finding the Fourth Proportional to 101,173,643.89, 139,561,348.59 and 60,911,610.16

Step by Step Solution

1. Step 1: Write the proportion equation
   101,173,643.89 : 139,561,348.59 = 60,911,610.16 : x
2. Step 2: Convert to fraction form
   101,173,643.89/139,561,348.59 = 60,911,610.16/x
3. Step 3: Cross multiply
   101,173,643.89x = 139,561,348.59 × 60,911,610.16
4. Step 4: Simplify right side
   101,173,643.89x = 8,500,906,458,717,945
5. Step 5: Solve for x
   x = 8,500,906,458,717,945/101,173,643.89
6. Step 6: Final answer
   x = 84,022,934.55