Finding the Fourth Proportional to 151,149,503.10, 208,579,604.72 and 84,171,916.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,149,503.10 : 208,579,604.72 = 84,171,916.38 : x
2. Step 2: Convert to fraction form
   151,149,503.10/208,579,604.72 = 84,171,916.38/x
3. Step 3: Cross multiply
   151,149,503.10x = 208,579,604.72 × 84,171,916.38
4. Step 4: Simplify right side
   151,149,503.10x = 17,556,545,047,065,292
5. Step 5: Solve for x
   x = 17,556,545,047,065,292/151,149,503.10
6. Step 6: Final answer
   x = 116,153,508.20