Finding the Fourth Proportional to 121,061,072.16, 181,590,411.52 and 55,463,603.01

Step by Step Solution

1. Step 1: Write the proportion equation
   121,061,072.16 : 181,590,411.52 = 55,463,603.01 : x
2. Step 2: Convert to fraction form
   121,061,072.16/181,590,411.52 = 55,463,603.01/x
3. Step 3: Cross multiply
   121,061,072.16x = 181,590,411.52 × 55,463,603.01
4. Step 4: Simplify right side
   121,061,072.16x = 10,071,658,494,967,810
5. Step 5: Solve for x
   x = 10,071,658,494,967,810/121,061,072.16
6. Step 6: Final answer
   x = 83,194,856.24