Finding the Fourth Proportional to 101,365,761.50, 139,906,630.61 and 61,686,076.83

Step by Step Solution

1. Step 1: Write the proportion equation
   101,365,761.50 : 139,906,630.61 = 61,686,076.83 : x
2. Step 2: Convert to fraction form
   101,365,761.50/139,906,630.61 = 61,686,076.83/x
3. Step 3: Cross multiply
   101,365,761.50x = 139,906,630.61 × 61,686,076.83
4. Step 4: Simplify right side
   101,365,761.50x = 8,630,291,164,526,458
5. Step 5: Solve for x
   x = 8,630,291,164,526,458/101,365,761.50
6. Step 6: Final answer
   x = 85,140,100.93