Finding the Fourth Proportional to 150,799,632.72, 208,104,327.72 and 84,722,917.20

Step by Step Solution

1. Step 1: Write the proportion equation
   150,799,632.72 : 208,104,327.72 = 84,722,917.20 : x
2. Step 2: Convert to fraction form
   150,799,632.72/208,104,327.72 = 84,722,917.20/x
3. Step 3: Cross multiply
   150,799,632.72x = 208,104,327.72 × 84,722,917.20
4. Step 4: Simplify right side
   150,799,632.72x = 17,631,205,726,383,226
5. Step 5: Solve for x
   x = 17,631,205,726,383,226/150,799,632.72
6. Step 6: Final answer
   x = 116,918,094.62