Finding the Fourth Proportional to 101,528,667.42, 140,109,564.15 and 55,118,855.58

Step by Step Solution

1. Step 1: Write the proportion equation
   101,528,667.42 : 140,109,564.15 = 55,118,855.58 : x
2. Step 2: Convert to fraction form
   101,528,667.42/140,109,564.15 = 55,118,855.58/x
3. Step 3: Cross multiply
   101,528,667.42x = 140,109,564.15 × 55,118,855.58
4. Step 4: Simplify right side
   101,528,667.42x = 7,722,678,831,760,596
5. Step 5: Solve for x
   x = 7,722,678,831,760,596/101,528,667.42
6. Step 6: Final answer
   x = 76,064,022.39