Finding the Fourth Proportional to 105,373,667.23, 157,945,197.35 and 54,258,753.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,373,667.23 : 157,945,197.35 = 54,258,753.31 : x
2. Step 2: Convert to fraction form
   105,373,667.23/157,945,197.35 = 54,258,753.31/x
3. Step 3: Cross multiply
   105,373,667.23x = 157,945,197.35 × 54,258,753.31
4. Step 4: Simplify right side
   105,373,667.23x = 8,569,909,499,241,622
5. Step 5: Solve for x
   x = 8,569,909,499,241,622/105,373,667.23
6. Step 6: Final answer
   x = 81,328,758.17