Finding the Fourth Proportional to 155,535,844.48, 214,645,986.72 and 89,456,361.12

Step by Step Solution

1. Step 1: Write the proportion equation
   155,535,844.48 : 214,645,986.72 = 89,456,361.12 : x
2. Step 2: Convert to fraction form
   155,535,844.48/214,645,986.72 = 89,456,361.12/x
3. Step 3: Cross multiply
   155,535,844.48x = 214,645,986.72 × 89,456,361.12
4. Step 4: Simplify right side
   155,535,844.48x = 19,201,448,900,983,044
5. Step 5: Solve for x
   x = 19,201,448,900,983,044/155,535,844.48
6. Step 6: Final answer
   x = 123,453,529.09