Finding the Fourth Proportional to 171,350,824.72, 236,658,829.98 and 115,499,918.56

Step by Step Solution

1. Step 1: Write the proportion equation
   171,350,824.72 : 236,658,829.98 = 115,499,918.56 : x
2. Step 2: Convert to fraction form
   171,350,824.72/236,658,829.98 = 115,499,918.56/x
3. Step 3: Cross multiply
   171,350,824.72x = 236,658,829.98 × 115,499,918.56
4. Step 4: Simplify right side
   171,350,824.72x = 27,334,075,589,194,884
5. Step 5: Solve for x
   x = 27,334,075,589,194,884/171,350,824.72
6. Step 6: Final answer
   x = 159,521,120.68