Finding the Fourth Proportional to 1,216,037,404.48, 1,678,134,090.96 and 659,120,828.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216,037,404.48 : 1,678,134,090.96 = 659,120,828.80 : x
2. Step 2: Convert to fraction form
   1,216,037,404.48/1,678,134,090.96 = 659,120,828.80/x
3. Step 3: Cross multiply
   1,216,037,404.48x = 1,678,134,090.96 × 659,120,828.80
4. Step 4: Simplify right side
   1,216,037,404.48x = 1,106,093,132,871,089,792
5. Step 5: Solve for x
   x = 1,106,093,132,871,089,792/1,216,037,404.48
6. Step 6: Final answer
   x = 909,588,084.05