Finding the Fourth Proportional to 118,408,271.15, 177,598,839.29 and 30,978,228.51

Step by Step Solution

1. Step 1: Write the proportion equation
   118,408,271.15 : 177,598,839.29 = 30,978,228.51 : x
2. Step 2: Convert to fraction form
   118,408,271.15/177,598,839.29 = 30,978,228.51/x
3. Step 3: Cross multiply
   118,408,271.15x = 177,598,839.29 × 30,978,228.51
4. Step 4: Simplify right side
   118,408,271.15x = 5,501,697,426,481,495
5. Step 5: Solve for x
   x = 5,501,697,426,481,495/118,408,271.15
6. Step 6: Final answer
   x = 46,463,793.22