Finding the Fourth Proportional to 139,007,383, 191,149,944.06 and 120,640,782.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,007,383 : 191,149,944.06 = 120,640,782.04 : x
2. Step 2: Convert to fraction form
   139,007,383/191,149,944.06 = 120,640,782.04/x
3. Step 3: Cross multiply
   139,007,383x = 191,149,944.06 × 120,640,782.04
4. Step 4: Simplify right side
   139,007,383x = 23,060,478,738,300,656
5. Step 5: Solve for x
   x = 23,060,478,738,300,656/139,007,383
6. Step 6: Final answer
   x = 165,893,913.26