Finding the Fourth Proportional to 257,139,983.33, 354,847,141.47 and 151,300,253.79

Step by Step Solution

1. Step 1: Write the proportion equation
   257,139,983.33 : 354,847,141.47 = 151,300,253.79 : x
2. Step 2: Convert to fraction form
   257,139,983.33/354,847,141.47 = 151,300,253.79/x
3. Step 3: Cross multiply
   257,139,983.33x = 354,847,141.47 × 151,300,253.79
4. Step 4: Simplify right side
   257,139,983.33x = 53,688,462,561,067,032
5. Step 5: Solve for x
   x = 53,688,462,561,067,032/257,139,983.33
6. Step 6: Final answer
   x = 208,790,798.95