Finding the Fourth Proportional to 101,185,983.72, 139,637,103.17 and 54,776,237.64

Step by Step Solution

1. Step 1: Write the proportion equation
   101,185,983.72 : 139,637,103.17 = 54,776,237.64 : x
2. Step 2: Convert to fraction form
   101,185,983.72/139,637,103.17 = 54,776,237.64/x
3. Step 3: Cross multiply
   101,185,983.72x = 139,637,103.17 × 54,776,237.64
4. Step 4: Simplify right side
   101,185,983.72x = 7,648,795,146,601,117
5. Step 5: Solve for x
   x = 7,648,795,146,601,117/101,185,983.72
6. Step 6: Final answer
   x = 75,591,449.18