Finding the Fourth Proportional to 154,500,389.88, 213,207,109.12 and 83,934,176.48

Step by Step Solution

1. Step 1: Write the proportion equation
   154,500,389.88 : 213,207,109.12 = 83,934,176.48 : x
2. Step 2: Convert to fraction form
   154,500,389.88/213,207,109.12 = 83,934,176.48/x
3. Step 3: Cross multiply
   154,500,389.88x = 213,207,109.12 × 83,934,176.48
4. Step 4: Simplify right side
   154,500,389.88x = 17,895,363,123,668,698
5. Step 5: Solve for x
   x = 17,895,363,123,668,698/154,500,389.88
6. Step 6: Final answer
   x = 115,827,300.74