Finding the Fourth Proportional to 101,496,447.88, 140,066,441.76 and 55,087,258.12

Step by Step Solution

1. Step 1: Write the proportion equation
   101,496,447.88 : 140,066,441.76 = 55,087,258.12 : x
2. Step 2: Convert to fraction form
   101,496,447.88/140,066,441.76 = 55,087,258.12/x
3. Step 3: Cross multiply
   101,496,447.88x = 140,066,441.76 × 55,087,258.12
4. Step 4: Simplify right side
   101,496,447.88x = 7,715,876,231,039,477
5. Step 5: Solve for x
   x = 7,715,876,231,039,477/101,496,447.88
6. Step 6: Final answer
   x = 76,021,145.49