Finding the Fourth Proportional to 202,287,011.31, 279,156,064.77 and 109,467,519.12

Step by Step Solution

1. Step 1: Write the proportion equation
   202,287,011.31 : 279,156,064.77 = 109,467,519.12 : x
2. Step 2: Convert to fraction form
   202,287,011.31/279,156,064.77 = 109,467,519.12/x
3. Step 3: Cross multiply
   202,287,011.31x = 279,156,064.77 × 109,467,519.12
4. Step 4: Simplify right side
   202,287,011.31x = 30,558,521,857,673,932
5. Step 5: Solve for x
   x = 30,558,521,857,673,932/202,287,011.31
6. Step 6: Final answer
   x = 151,065,170.52