Finding the Fourth Proportional to 101,496,877.12, 140,062,128.24 and 55,086,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   101,496,877.12 : 140,062,128.24 = 55,086,196.96 : x
2. Step 2: Convert to fraction form
   101,496,877.12/140,062,128.24 = 55,086,196.96/x
3. Step 3: Cross multiply
   101,496,877.12x = 140,062,128.24 × 55,086,196.96
4. Step 4: Simplify right side
   101,496,877.12x = 7,715,489,982,865,419
5. Step 5: Solve for x
   x = 7,715,489,982,865,419/101,496,877.12
6. Step 6: Final answer
   x = 76,017,018.47