Finding the Fourth Proportional to 121,061,061.38, 181,590,395.36 and 55,463,592.21

Step by Step Solution

1. Step 1: Write the proportion equation
   121,061,061.38 : 181,590,395.36 = 55,463,592.21 : x
2. Step 2: Convert to fraction form
   121,061,061.38/181,590,395.36 = 55,463,592.21/x
3. Step 3: Cross multiply
   121,061,061.38x = 181,590,395.36 × 55,463,592.21
4. Step 4: Simplify right side
   121,061,061.38x = 10,071,655,637,222,398
5. Step 5: Solve for x
   x = 10,071,655,637,222,398/121,061,061.38
6. Step 6: Final answer
   x = 83,194,840.05