Finding the Fourth Proportional to 364,656,168.52, 503,206,402.26 and 199,612,123.72

Step by Step Solution

1. Step 1: Write the proportion equation
   364,656,168.52 : 503,206,402.26 = 199,612,123.72 : x
2. Step 2: Convert to fraction form
   364,656,168.52/503,206,402.26 = 199,612,123.72/x
3. Step 3: Cross multiply
   364,656,168.52x = 503,206,402.26 × 199,612,123.72
4. Step 4: Simplify right side
   364,656,168.52x = 100,446,098,624,619,200
5. Step 5: Solve for x
   x = 100,446,098,624,619,200/364,656,168.52
6. Step 6: Final answer
   x = 275,454,269.79