Finding the Fourth Proportional to 173,790,131.80, 243,986,429 and 173,790,131.80

Step by Step Solution

1. Step 1: Write the proportion equation
   173,790,131.80 : 243,986,429 = 173,790,131.80 : x
2. Step 2: Convert to fraction form
   173,790,131.80/243,986,429 = 173,790,131.80/x
3. Step 3: Cross multiply
   173,790,131.80x = 243,986,429 × 173,790,131.80
4. Step 4: Simplify right side
   173,790,131.80x = 42,402,433,653,321,344
5. Step 5: Solve for x
   x = 42,402,433,653,321,344/173,790,131.80
6. Step 6: Final answer
   x = 243,986,429