Finding the Fourth Proportional to 121,061,062.37, 181,590,396.85 and 55,463,593.21

Step by Step Solution

1. Step 1: Write the proportion equation
   121,061,062.37 : 181,590,396.85 = 55,463,593.21 : x
2. Step 2: Convert to fraction form
   121,061,062.37/181,590,396.85 = 55,463,593.21/x
3. Step 3: Cross multiply
   121,061,062.37x = 181,590,396.85 × 55,463,593.21
4. Step 4: Simplify right side
   121,061,062.37x = 10,071,655,901,730,866
5. Step 5: Solve for x
   x = 10,071,655,901,730,866/121,061,062.37
6. Step 6: Final answer
   x = 83,194,841.55