Finding the Fourth Proportional to 282,665,412, 423,998,216.28 and 88,591,885.20

Step by Step Solution

1. Step 1: Write the proportion equation
   282,665,412 : 423,998,216.28 = 88,591,885.20 : x
2. Step 2: Convert to fraction form
   282,665,412/423,998,216.28 = 88,591,885.20/x
3. Step 3: Cross multiply
   282,665,412x = 423,998,216.28 × 88,591,885.20
4. Step 4: Simplify right side
   282,665,412x = 37,562,801,301,682,528
5. Step 5: Solve for x
   x = 37,562,801,301,682,528/282,665,412
6. Step 6: Final answer
   x = 132,887,858.60